Seeds for the World - GARDENS NORTH - Catalogue
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Catalogue Genus starting with:   A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  R  S  T  V  X  Y  Z 
Searching Genus for C

CALCEOLARIA(SLIPPER FLOWER)Family: SCROPHULACEACEA
A large genus of 300 perennials and shrubs native to the Tropics and S. America with slipper-like flowers.

CALCEOLARIA mexicanaSummer to Fall658
Slipper Flower30-60cm
Native to Mexico and Central America, a fast-growing annual to light up those open-shade areas. Bright yellow pouches borne over sticky foliage from summer to fall.
Germination Instructions: Easy, warm germinator.
100+ seeds  $3.50   

CALLIRHOE(POPPY MALLOW)Family: MALVACEAE
8 species of mallow-like perennials native to North America.

CALLIRHOE involucrataAll Season662
Wine Cups, Prairie Rose15cm  Zone: 3
Native to the short-grass prairie and sandy, dry soils of western and mid-western North America and an outstanding plant for the garden. Inappropriately, it seems the generic name of this denizen of dry places honors Callirrhoe, the daughter of Achelous, a minor Greek river god. The flowers are glowing, satiny magenta cups, up to 2" across which begin in June and never cease until frost. Its leafy flowering stems are prostrate and will spread out 1-3' from the crown by midsummer, so give it plenty of space in a sun-baked spot.
Germination Instructions: Has an extremely hard seed-coat requiring serious sandpapering.
30 seeds  $4.25   

CALYCANTHUS(SPICEBUSH)Family: CALYCANTHACEAE
A genus of six beautifully aromatic deciduous shrubs native to eastern China and North America.

CALYCANTHUS floridusSpring668
Carolina Allspiceto 2.7m  Zone: 4
Native to eastern North America this is a beautiful dense, deciduous shrub, much underused in gardens. The lustrous, oblong leaves are a rich, deep green, turning yellow in autumn. Calycanthus has many common names and all allude to the aromatic properties of its leaves, bark, twigs and roots. Best of all is the wonderfully fruity (strawberry?) scent produced by the unusual flowers. The large rusty-red blossoms appear in spring and sporatically throughout the summer.
Germination Instructions: Cold treatment recommended.
10 seeds  $4.25   

CAMASSIA(WILD HYACINTH)Family: LILIACEAE
Natives of western North America and bulbous relatives of the lily. Occur naturally in rich meadows, wet in spring, dry in summer. Beautiful and highly underused garden plants. They produce grassy, lance-shaped foliage and long, erect flower stems bearing star-shaped flowers in blue, purple, white or cream. Tolerate some shade, but perform better in full sun and moist spring soil.

CAMASSIA scilloides New Early Spring672
Eastern Camas, Wild Hyacinth30-50cm  Zone: 5
Native to eastern North America, growing in open woods, meadows and prairie. Keeled, linear, grass-like foliage. Open spikes of 6-petalled violet-blue starry flowers in early spring. While it will endure deep shade, best in an open spot in the woodland garden; or in sun. Wild collected in Ohio.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CAMPANULA(BELLFLOWER)Family: CAMPANULACEAE
A large genus of over 300 species widely distributed in the Northern Hemisphere, especially the Mediterranean. "Campa" comes from the Latin "bell" and refers to the predominantly bell-shaped flowers. A genus of great diversity, ranging from stately border plants to rock garden specimens. Easy to grow and do well in any fertile soil in sun or light shade.

CAMPANULA alliariifoliaLate Summer676
30cm  Zone: 3
One of the few white-flowering species bearing nodding, white bellflowers. Attractive heart-shaped grey-green foliage.
Germination Instructions: Easy, warm germinator.
50 seeds  $3.50   

CAMPANULA cervicariaSummer712
Bristly Bellflower120cm  Zone: 3
Native to northern and central Europe and endangered or protected in some areas. A tall biennial Campanula which would look very fine and be happy naturalized on the edges of a woodland. The flowers are blue and clustered, reminiscent of C. glomerata, except that the clusters line the solitary, tall stems. Wild collected in Sweden.
Germination Instructions: Easy, warm germinator.
200 seeds  $4.25   

CAMPANULA persicifolia Summer690
Peach Leaved Bellflower45-60cm  Zone: 2
The best-known hardy Campanula for the border. Large 5cm nodding flowers and leathery, toothed leaves, blooming in summer and sporadically onwards right through the first frosts if the individual flowers are pinched off as they fade.
Germination Instructions: Easy, warm germinator.
100 seeds  $3.25   

CAMPANULA persicifolia mix691
This is a mix of the blue and white forms.
Germination Instructions: Easy, warm germinator.
100 seeds  $3.25   

CAMPANULA rotundifoliaAll season695
Harebell30cm  Zone: 2
This species is native throughout the northern hemisphere. Also known as the Bluebells of Scotland, it is well entrenched in the verse and song of that country. Rounded basal leaves account for the species name. Wide, pendulous blue-violet bells the entire gardening season. Should be in every garden. Performance is best in northern climates. Wild collected in Ontario.
Germination Instructions: Easy, warm germinator.
200+ seeds  $3.50   

CAMPANULA thyrsoides carniolicaMid to Late Summer699
Yellow Bellflower45-100cm  Zone: 3
Native to Austria and northern Yugoslavia. This subspecies occurs in the southeastern Alps and the Dinaric Arc. It differs from the species by having a longer flower raceme, but with flowers less dense. It also flowers from bottom to top over a much longer period of time. the much faster flowering of the species thyrsoides is more favourable in the short growing season in the high Alps where seed production must be secured before temperature drops. With a monocarpic habit, forming a large, flat, narrow-leaved grayish rosette the first season, followed in its flowering year by a striking spike carrying pale yellow clustered flowers. For the larger rock garden or as a vertical accent in a sunny, well-drained spot.
Germination Instructions: Easy, warm germinator.
20 seeds  $4.25   

CAPNOIDESFamily: FUMARIACEAE
A recently resurrected genus of one species formerly classified as Corydalis.

CAPNOIDES sempervirensSummer1092
Rock Harlequin75cm  Zone: 2
A beautiful and graceful native with blue-grey glaucous foliage. Tubular, spurred pin flowers with a yellow tip in summer. Self perpetuating biennial or annual. Grows in rocky clearings in woods and on disturbed sites in full sun. Limited quantities.
Germination Instructions: Cold treatment recommended.
30 seeds  $4.00   

CAPSICUM(PEPPER)Family: SOLANACEAE
A small genus of shrubby plants native to the tropical Americas that includes all peppers.

CAPSICUM annum (Black Pearl)737
Ornamental or Christmas Pepper45cm
Not the sort of seed we usually carry- but my interest in ornamental edibles got the better of me. This is a small upright and bushy plant with semi-glossy, deep purple-black leaves (starting out green when young and maturing to black with sun and warmth). The peppers are round, looking like shiny marbles, starting out black and maturing to dark red. They are edible--and FIERY hot. Plants grow well in heat, humidity and drought, and are virtually carefree. Nice in containers too.
Germination Instructions: Easy, warm germinator.
30 seeds  $3.00   

CAREX
A large genus of about 2,000 species of grasslike plants grown for their foliage rather than flowers. For cool locations in moist to well-drained soil. Sun or part shade. The smaller species are excellent edging plants, while the larger plants are wonderful en masse or as specimens.

CAREX crinitaSummer759
Fringed Sedge1.2m  Zone: 4
Native to wet woods in eastern North America. This is similar to the European C. pendula, but much more cold tolerant. A large species with an elegant arching habit, moving gracefully with woodland breezes. Becomes tallest in moist to wet shady sites, but can be grown in the woodland garden in average soil. The inflorescences are long, and dangling, like tails between the green foliage. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
50 seeds  $4.00   

CAREX grayiSpring762
Gray's or Morning-Star Sedge90cm  Zone: 4
A clump-forming native of eastern North American meadows and woodlands. This is a tall sedge with medium green foliage. Produces conspicuous, attractive light green lace-shaped seed heads (2-4cm long). Requires moisture. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
12 seeds  $3.75   

CAREX morrowiiSpring778
Japanese Sedge30-40cm  Zone: 5
Although this is most often seen in one of its variegated cultivar forms; the clumping species is native to Japan, growing in mountainous woods. A beautiful small, evergreen ornamental, forming a symmetrical clump of handsome, slender green leaves. The drooping flower spikes are insignificant, but its clean foliage adds plenty of structure and presence in a lightly shaded spot. In a cool summer climate is happy open grown.
30+ seeds  $4.00   

CAREX muskingumensisSummer754
Palm-Branch Sedge75cm  Zone: 2
One of my favorite plants. Native to the Great Lakes region of Canada and the USA. Grown in full sun, and moist soil, as we do, the beautiful foliage takes on a lovely, distinctive yellow-green that combines superbly with Blue Oat Grass. Foliage resembles palm fronds which gives this plant a very tropical appearance. Distinctive brown seeds dangle in between the leaves from summer onwards. For sun or shade. Prefers moist soil and will grow in shallow water 3-4" deep, when young, deeper as it matures. Will flop in too much shade.
Germination Instructions: Easy, warm germinator.
20 seeds  $4.00   

CAREX thyphina3749
Cattail Sedge30-90cm  Zone: 3/4
Native to Quebec and Ontario, growing in wet sites with partly sunny or partly shaded exposures. Plants prosper in difficult wet mucky soils, in shallow standing water or in sites that are seasonally flooded. Tufts of medium-green basal leaves and elongated spikelets (which superficially look like the flower of a cattail).
Germination Instructions: Cold treatment required.
30 seeds  $4.00   

CARLINA(WEATHER THISTLE)Family: COMPOSITAE
A small genus of plants native to Europe, Asia and the Mediterranean with spiny foliage and showy thistle-like flowers. In addition to their beauty, this genus is interesting because the bracts open only in hot, dry weather and close in the evening or on rainy days, hence the name "Weather Thistle."

CARLINA corymbosaLate Summer783
15-20cm  Zone: 3
A rarely available Carlina for the rock garden or as a specimen in a hot, dry site. Forms a low rosette of prickly foliage. Pale beige-yellow flowers in late summer.
Germination Instructions: Easy, warm germinator.
20 seeds  $4.00   

CATALPA(CATALPA)Family: LEGUMINOSAE
11 species of flowering, deciduous trees of North America and Asia with large, opposite leaves and showy clusters of flowers in early summer, when few other trees are blooming. Long, slender pods follow. Grow well in extreme conditions from deep, moist, fertile soil to wet, dry and alkaline conditions in sun or part shade.

CATALPA ovataEarly Summer801
Chinese Catalpa6m  Zone: 4
Native to China. Flowers are yellowish-white to 10" in narrow, pyramidal panicles. A fine textured species with clusters of pencil-sized pods in fall. Exremely fast to come to flower (often second year from seed).
Germination Instructions: Easy, warm germinator.
20 seeds  $4.00   

CATALPA speciosaSummer798
Northern Catalpa30m  Zone: 4
This native has heart-shaped leaves and trumpet-shaped white flowers striped inside with yellow and purple, resembling orchids. In the fall, the brown seed pods hang on the branches like icicles.
Germination Instructions: Easy, warm germinator.
15 seeds  $4.00   

CAULOPHYLLUM(BLUE COHOSH)Family: BERBERIDACEAE
2 species of erect, rhizomatous perennials native to moist woods of North America and eastern Asia with compound leaves, small flowers in clusters and showy berries in the fall.

CAULOPHYLLUM thalictroidesSpring806
1m  Zone: 3
Native to rich, rocky woods in eastern North America. Grown for its blue seeds and handsome foliage, which resembles Meadowrue (Thalictrum). Good companion for Virginia Bluebells since the foliage fills in as the bluebell foliage turns yellow. For light to heavy shade in humus, woodland soil. Seed wild collected in Ohio.
Germination Instructions: Cold treatment required.
15 seeds  $4.25   

CEANOTHUS(WILD LILAC)Family: RHAMNACEAE
A genus of 50 deciduous or evergreen shrubs or small trees, native to North America.

CEANOTHUS americanusLate Spring808
New Jersey Tea60-90cm  Zone: 4
Native to southern Canada and southeastern USA, growing in prairies, glades, open woods and thickets. A compact, dense, rounded shrub with toothed, medium-green foliage. Billows of clawed creamy-white to pink flowers in late spring. Young twigs are noticeably yellow and stand out in winter. Roots fix nitrogen. Dried leaves were used as a tea substitute in American Revolutionary War times, hence the common name. This is an excellent shrub for hot, dry sites. Also effective as a shrubby ground cover for hard-to-grow areas such as dry rocky slopes and banks. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CEANOTHUS herbaceousEarly Summer807
New Jersey Tea30-90cm  Zone: 3
Native to eastern and central Canada and the USA, this is a wonderful, small, nitrogen-fixing and butterfly-attracting shrub growing on rocky or sandy prairies, hills, glades and rocky woods. A compact and erect habit with glossy foliage. Globose clusters of white flowers flowering on current year's shoots followed by dark purple fruits. Leaves are brewed for tea (tasting similar to Chinese green tea). A great xeric plant for sandy, gravelly soil in full sun; Very attractive to butterflies. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CELTIS(HACKBERRY)Family: ULMACEAE
A genus of 70 mostly deciduous trees or shrubs, with inconspicuous flowers and round fruits in the fall.

CELTIS sinensisSpring813
Chinese Hackberry15m  Zone: 4
Chinese Hackberry is a spreading, deciduous tree native to eastern China, Korea and Japan where it reaches heights of around 12m in woodland areas. Has a very fine twig structure which carries glossy, blunt-toothed, dark green leaves to 8cm long. Small green flowers are borne in spring followed by small, sweet, edible fruit which are dark-orange ripening to red-brown, very attractive to wildlife. Growth rate is fast. This is a tough, adaptive small landscape tree.
Germination Instructions: Cold treatment required.
12 seeds  $4.25   

CENTAUREA(KNAPWEED)Family: COMPOSITAE
The perennial species of Centaurea are noted for their long-blooming, thistle-like flowers, ease of growth and hardiness. The leaves are often silvery or felted. Perform best in full sun and are drought tolerant, true minimal maintenance plants. Many grow particularly well in the North.

CENTAUREA macrocephalaSummer822
Globe Cornflower60-120cm  Zone: 2
Forms bold, splendid clumps of strong stems from which appear huge, spherical papery buds opening to large golden fluffy thistles. Wonderful as a specimen in a dry border.
Germination Instructions: Easy, warm germinator.
15 seeds  $3.75   

CEPHALANTHUS(BUTTONBUSH)Family: RUBIACEAE
About 6 species of shrubs or small trees native to North America, Asia and Africa with opposite or whorled leaves. Flowers in dense, globe-shaped heads, hence the common name.

CEPHALANTHUS occidentalisSummer830
Buttonbush3m  Zone: 3
Deciduous shrub native from Minnesota to Nova Scotia with dark green, lustrous foliage and creamy-white flowers arranged in a dense round head in summer. Very striking when in bloom. For moist soil near ponds or streams or in rich, fertile soil that is consistently moist. Wild collected in Ontario.
Germination Instructions: Easy, warm germinator.
30 seeds  $4.25   

CERCIS(REDBUD)Family: LEGUMINOSAE
A genus of 6 deciduous trees and shrubs native to eastern Asia, southern Europe and the USA with showy pea-like flowers in clusters.

CERCIS canadensis Spring840
Eastern Redbud6-9m  Zone: -30C
This is most certainly one of the most beautiful small landscape trees native to North America. Its native range is the eastern USA from New Jersey to Florida and west into Mexico. A small tree with a trunk divided close to the ground and a spreading, flat-topped, rounded crown. Very handsome with graceful, ascending branches. New leaves emerge reddish purple, gradually changing to dark, lustrous green. Showy pea-like flowers borne in racemes are reddish purple in bud, opening to a rosy-pink with a purplish blush. Seed collected in a -30C northern location.
Germination Instructions: Germinates best in a warm-cold-warm pattern. Abrasion of seedcoat results in fast germination at warm. However, it is difficult to do this without injuring the seed.
30 seeds  $4.25   

CHAENOMELES(FLOWERING QUINCE)Family: ROSACEAE
A small genus of 3 deciduous shrubs or small trees native to eastern Asia, sometimes spiny. These ornamental quinces are easily cultivated, beautiful early spring flowering shrubs. The saucer-shaped flowers vary in shades of red, orange and white and are followed by large, yellow quinces. Will thrive in the open border or trained against a wall.

CHAENOMELES cathayensisEarly Summer845
Chinese Quince6m  Zone: 6
This rarely available Chinese species grows on hillsides, in open thickets, on rocky slopes, ravines and forests. It grows taller than the other species and tends to be more tree form, with an open habit. Leaves are narrow, serrated and shiny. The delicate apple-blossom-like flowers are white, flushed with pink. This species, while not as hardy as C. japonica or speciosa, bears the largest fruit of the Chaenomeles genus, at between 10 and 15cm, with mature fruit weighing near 900 grams. This makes lovely jelly. Also a wonderful bonsai subject. For a sunny site with well-drained moderately fertile soil for best results.
Germination Instructions: Cold treatment required.
15 seeds  $4.25   

CHAENOMELES japonicaSpring843
Japanese Flowering Quince100cm  Zone: 3
The Japanese quince is invaluable for early spring colour when its fragrant, bright orange-flame flowers stud the bare thorny stems for weeks. These flowers mature into rounded green or yellow quinces which make delicious jelly. One of the easiest of all shrubs to grow in virtually any soil(including heavy clay) and can also be trained on to a shady wall. Also a wonderful bonsai subject.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CHELONE(TURTLE HEAD)Family: SCROPHULARIACEAE
A genus of 6 perennials native to North America with large snapdragon-like flowers in pink, red or white. They resemble the head of a turtle with its mouth open. Their colour range is much appreciated in the late summer and fall. Moisture lovers and wonderful for the semi-shaded border or waterside.

CHELONE glabraLate Summer856
White Turtlehead60-180cm  Zone: 3
Flowers are white with a red or rose tinge blooming over a long period. Will grow in full sun in a moist spot, or in semi shade. The contrast between the very dark green foliage and white flower makes this species particularly handsome. Will grow tallest in moist soil. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
30 seeds  $4.00   

CHIMAPHILA(PRINCE'S PINE)Family: PYROLACEA
A small genus of 6 shrubby, evergreen perennials native to North America, Europe and eastern Asia with a creeping rootstock and whorled glossy foliage.

CHIMAPHILA umbellataSummer862
Pipsissewa15cm  Zone: 2
Native throughout most of North America, but not frequently encountered in our woods. An elegant native woodland plant in the Wintergreen family with evergreen, glossy, dark green lance-shaped and serrated foliage and alternate leaves (appearing whorled). Delicate waxy and nodding white or pink flowers in summer. The Cree name "pipsisikweu" means "it-breaks-into-small-pieces" , because it's leaves contain a substance that was thought to dissolve kidney stones. Seed wild collected in dry coniferous woods in Ontario, Canada.
Germination Instructions: There is no known method for germinating this species in an artificial setting. It is believed that a natural fungi found in its environment is required for sprouting. In the wild, this species grows in well-drained, dry woodlands, in acid conditions, wit
500 seeds  $4.25   

CHRYSOSPLENIUM

CHRYSOSPLENIUM macrostemon v. shiobarense (Moist Pack)Spring867
15cm
This member of the Saxifraga family grows on moist, shaded hillsides of Japan. A rare, creeping perennial, forming large rosettes of nicely marked, serrated foliage covered in spring with bright pale-yellow bracts.It roots at the nodes; producing an impenetrable mat.
Germination Instructions: Cold treatment required.
30 seeds  $5.00   

CLADIUM

CLADIUM mariscoidesSummer3750
Smooth Sawgrass1m
Occurs in every Canadian province except Alberta, BC and PEI growing along the shores of wetlands, including coastal salt marshes. A rhizomatous species with very narrow foliage carrying branched dark reddish-brown spikelets.
Germination Instructions: Cold treatment required.
20 seeds  $4.00   

CLEMATIS(CLEMATIS)Family: RANUNCULACEAE
PLEASE READ:

With some exceptions, Clematis seed are not long lived, even in optimum storage. During early to late fall of each year, we revise our listings, removing all stock from the previous season, and slowly replacing it with fresh seed, as it becomes available.

As I know many of you wait for the Clematis each season, rest assured that the list will continue to grow from October through December, with the same process repeating itself each season. Check back regularly, or write to ask about future availability of particular species.

CLEMATIS ochroleuca New Early Summer936
Curly Heads30-45cm  Zone: 4
Native to eastern North America, found along the Atlantic Coast from New York, southward to Georgia; growing in dry, rocky forests or on sandy grasslands. This rarely available bush Clematis is topped in late spring to early summer with hairy creamy-yellow to violet-blue urn-shaped flowers. Curly-headed seeds puffs follow. I am very grateful for this wild collection from North Carolina.
Germination Instructions: Germinates at an extended period at warm.
12 seeds  $4.50   

CODONOPSIS

CODONOPSIS clematideaSummer996
60-120cm  Zone: 3
Native to rocky stream-side mountain meadows of Asia, with a scrambling or twining habit. Produces a clump of greyish-green foliage. Large porcelain pale-blue flowers marked orange and maroon inside. Allow it to tumble down a slope or wall or twine through a small early-flowering shrub. Will scramble to 1.2m. Often flowers first year.
Germination Instructions: Easy, warm germinator.
30 seeds  $4.00   

CODONOPSIS pilosulaSummer997
150cm  Zone: 3
A very hardy and vigorous twiner native to northern China. Small pale green flowers, lightly flushed purple. Flowers first year.
Germination Instructions: Easy, warm germinator.
50 seeds  $4.00   

CODONOPSIS ussuriensisMid-Summer3761
2-3m  Zone: 3/4
Native to to Manchuria, Korea and Japan growing in ravines, moist meadows, mostly in sandy soil. A smaller version of C. lanceolata, this also has a somewhat twining habit. Flowers are bell-shaped, purplish outside, and with a zone of purple inside the mouth of the bell, the base spotted.
20+ seeds  $4.25   

COLCHICUM

COLCHICUM alpinum (Moist Packed)Late Summer to Fall1009
5-20cm
Native to central Europe, growing in high alpine meadows, often on acid. A small species with lavender-pink flowers, often darker-veined. Rarely offered.
Germination Instructions: Cold treatment required.
15 seeds  $5.00   

COLCHICUM autumnaleAutumn1005
Autumn Crocus10-15cm  Zone: 4
This European species is the best known and earliest- blooming of the fall-flowering bulbs. It is particularly dear to me as a vivid childhood memory of meadows in southern Germany in solid bloom. Commonly referred to as the autumn crocus colchicums are not related to crocus at all, but are actually members of the lily family. Beginning in mid-September they produce large, goblet-like blooms in shades of pink, violet or white. Colchicum bloom without leaves leading to common names such as "naked ladies" and are quite beautiful in their simplicity. The leaves do not appear until spring, arising then without flowers, but (hopefully) with large seed pods, a fascinating delayed mechanism of seed production.
Germination Instructions: Cold treatment required.
20 seeds  $4.00   

COMPTONIA(SWEET FERN)Family: MYRICACEAE
A one-species genus native to eastern North America.

COMPTONIA peregrinaSpring1015
Sweet Fern60-90cm  Zone: 3
Native to northeastern North America growing in openings in coniferous forest in well-drained, dry, acid, sandy or gravelly soils. The thin, narrow dark-green leaves are deeply divided into many lobes, resembling a fern. The whole plant has a beautifully spicy, aromatic odor, which is more pronounced when the leaves are bruised. It is densely branched, and rhizomatous in habit. Bark is smooth, shiny reddish-brown and heavily lenticeled. Both male and female flowers are produced. The former are borne in large cylindrical catkins in clusters at the ends of the branches and the latter in small egg-shaped catkins. Because it fixes nitrogen, does well on disturbed sites or sites with sterile soil. Drought and salt tolerant. An intriguing plant that performs wonderfully on poor, dry, sandy, acid soils. Seed wild collected in Ontario.
Germination Instructions: Seed requires cold treatment. Outdoors over winter recommended, as oscillating temperatures stimulate germination.
20 seeds  $4.25   

COREOPSIS(TICKSEED)Family: COMPOSITAE
A large and important genus with yellow daisylike flowers blooming in summer and autumn. Most are North American natives. Useful for their long flowering period and easy culture. Sun loving and drought resistant.

COREOPSIS tinctoriaSummer to Fall1042
Plains Coreopsis60cm
A long-blooming annual Coreopsis native to the Great Plains of North America, thriving in poor, dry soil in full sun. Bright yellow flowers with mahogany red centers over finely cut foliage. Mass plant for best effect. Great cut flower.
Germination Instructions: Easy, warm germinator.
30+ seeds  $3.00   

CORNUS(DOGWOOD)Family: CORNACEAE
About 45 species of mostly deciduous shrubs or small trees, native to North America, Europe, Asia and Africa.

CORNUS alternifolia (Moist Packed) New Early Summer1044
Pagoda Dogwood5-8m  Zone: 3
Native to eastern North America. The distinctive, tiered branching habit of Cornus alternifolia will add a touch of elegance to your garden. Pagoda dogwood is a suitable tree for small- to medium-sized gardens and is more disease resistant than many other dogwoods. It has lacy white flowers which ripen to bluish-black berries in mid summer. Vibrant fall color begins with burgundy hues that turn bright red with yellow toward the interior of the tree. Pagoda dogwood is attractive in woodland gardens; its low, wide form makes it ideal for screening as well. The winter garden reveals its attractive branching pattern. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
20 seeds  $5.00   

CORNUS amomumLate Spring1052
Silky Dogwood3-4m  Zone: 4
Native to eastern North America growing in moist places. A twiggy, many-stemmed shrub with older stems arching outwards. Creamy white blooms in spring. The showy fruits mature cobalt blue, then turn dark blue, quickly eaten by birds. Wild collected in Ontario.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CORNUS racemosaSpring1045
Gray Dogwood3-4m  Zone: 3
Native from eastern Canada to Minnesota with grey-green narrow leaves. Strongly multi-stemmed and erect, with a suckering habit and therefore forming a colony. Older wood takes on a distinctive gray color which is extremely attractive and accounts for its common name. White flowers in spring, turning into a white-berried drupe. The fruit is eaten by over 100 birds. Adaptable for wet or dry soils, full shade to sun. Wild collected in Ontario.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CORNUS rugosa New Early Summer1053
Round -Leaved Dogwood3m  Zone: 3
Native to eastern North America growing on sandy, gravelly, or rocky slopes. An upright shrub with warty branches. Stems are first green, then turn purple. Broadly ovate, pointed leaves. Flat-topped clusters of creamy-white flowers bloom in early summer followed by pea-sized, light blue fruit maturing in late summer, which are usually quickly eaten by birds. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
15 seeds  $4.00   

CORNUS stoloniferaSpring1054
Red Osier Dogwood1-3m  Zone: 3
For winter interest, this is surely our best native Cornus, displaying striking crimson twigs that color the landscape even in the bleakest winter. Understandably, it is the parent of a slew of hybrids. Found in moist areas, with a native range extending over much of North America, it is a spreading, many branched shrub, covered in spring by large clusters of creamy-white flowers, which attract butterflies. These produce whitish berries, with a blue tinge in mid to late summer. Many birds are attracted to this species as the berries provide food and the dense, twiggy nature of the plant is perfect for nesting and hiding. The leaves turn from reds to purples in the fall and the shiny, smooth red twigs, which give the plant its name, turn brilliant in cold weather and look striking against a snowy winter background. The young branches, (osiers) of this shrub have been used by Native American Indians in making baskets and the bark of the stems has been traditionally collected to make a red dye. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required.
20 seeds  $4.00   

CORYDALIS(CORYDALIS)Family: FUMARACEAE
300 species with finely dissected, often blue-green foliage and yellow, blue, pink or rose-purple tubular, spurred flowers in the spring. "Corydalis" is Greek for "lark" referring to the lark-like spurs of the flowers. Many species cannot tolerate dry storage and must be sown fresh. Source: Liden & Zetterlund, Corydalis, Timber Press.

CORYDALIS ochotensis var. raddeana (Moist Packed)Autumn1084
60cm  Zone: 4
Native to eastern Siberia, Korea, China and red-listed in Japan. This biennial species has been romping around our late season garden for some time. Bloom begins sometime in early August, continuing well into late September, filling in empty spaces in the woodland garden with it's unusual salmon-orange flowers, with a darker nose blooming on branching maroon-coloured stems over ferny foliage. Biennial. Self-sows to perpetuate. Not recommended for warmer regions of the world, as it may become too vigorous in the garden---but just enough in cold-weather gardens.
Germination Instructions: Seed has been moist packed to preserve viability. Cold treatment required.
20+ seeds  $4.75   

CRATAEGUS(HAWTHORN)Family: ROSACEAE
A huge genus of usually thorny, deciduous trees or shrubs. 25 species are native to Canada with several hundred more found in the United States. White flowers, often aging to pink in early summer and prominent "apples" in the autumn. Native throughout the northern Hemisphere. All Hawthorn fruits are edible, making good jam and jelly.

CRATAEGUS calpodendronJune1160
Sugar or Pear Hawthorn3-4m  Zone: 3
Native to Ontario and into the central USA. A small tree with a graceful outline and few to no thorns. The white flowers and lusterous green leaves appear later than most Hawthorns. One of the most ornamental species in fruit; each fruit cluster holds from 10-15 small, bright-red pommes on long pedicels.
Germination Instructions: Cold treatment required.
20 seeds  $4.25   

CRATAEGUS coccineaLate Spring1168
Scarlet Hawthorn5m  Zone: 4
(Crataegus pedicellata) Native to eastern North America. A small Hawthorn with an open, upright form, normally multi-stemmed in the wild. Relatively large white flowers in spring are followed by plump red berries, ripening in early autumn. Seed wild collected in Ontario.
Germination Instructions: Cold treatment required
20 seeds  $4.25   

CYNANCHUM

CYNANCHUM ascyrifoliumLate Spring to Summer3773
60cm  Zone: 3/4
To my knowledge this may be the first offering of seed of this choice plant, which is known to never produce seed in cultivation. This milkweed relative hails from the mountains of Asia, forming 60cm tall clumps of light green foliage that is topped with clusters of starry, pure white flowers over a long period beginning in late spring.
Germination Instructions: Cold treatment required.
15 seeds  $4.50   

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