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307-001D4 Colchicum autumnale 
Sun Zones 4-9 Lavender Pink flowers
Meadow saffron. As the common name indicates, this is a meadow bloomer. The cupped flowers surprise us as they rise on leafless stems in the autumn. In spring, cabbage-like leaves appear and persist until the summer heat. Let these naturalize in an unmowed lawn for an attractive effect. Autumn. bloom 4 in.
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307-004D4 Colchicum 'Waterlily' 
Sun Zones 4-9 Pink Lilac flowers
This wonderful autumn crocus emerges foliageless seemingly from nowhere late in the growing season. The doubled flowers do indeed look like water lilies and are stunning rising amidst a loose ground cover. Autumn. bloom 5 in.
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710-001 Convolvulus cneorum ( Silverbush ) 
Sun Zones 8-10 White flowers
The common name Silverbush aptly describes this low, mounding shrub. Silky gray foliage is accented by pink buds and funnel shaped white flowers with yellow centers. Looks great all winter. Late spring to early summer. bloom 2 ft. x 3 ft.
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710-002 Convolvulus sabatius (mauritanicus) 
Sun Zones 8-10 Lavender Blue flowers
A small, mounded, woody shrub bearing blue morning glory flowers from summer to the fall. The rounded foliage has a light gray green cast. Summer to fall. bloom 6 in. x 20 in.
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794-002 Coprosma repens 'Evening Glow' 
Sun, Part Shade Zones (7)8-9 Inconspicuous flowers
Evergreen shrub from New Zealand. Glossy somewhat rounded leaves are red and darkly edged. They mature to green with peach and gold streaks. These are both present at the same time. Try this in a container you can protect in the winter or in a sheltered garden. Zingy color all year round. Our plants have not developed orange berries yet. 2 ft. in a year. x 2 ft. in a year.
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020-001 Coreopsis lanceolata 'Sonnenkind' ('Baby Sun') 
Sun Zones 4-9 Golden Yellow flowers
Very free-flowering. Golden daisies rise up on 16-inch stems to brighten up the spring garden. Carefree and long blooming. Spring to midsummer. bloom 16 in. x 16 in.
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020-009 Coreopsis rosea 
Sun Zones 4-8 Rosy Pink flowers
Eastern US. We grow this in the pink section of the Four Seasons Garden where it politely edges a path. This is a well-mended bed with good sunlight and the plant seems quite at home rising only to 14 inches with a similar spread. This can be used in sunny drier beds to good effect. The feathery foliage is especially attractive. Summer. bloom 24 in. x 12 in.
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020-010 Coreopsis verticillata 'Moonbeam' 
Sun Zones 3-8 Soft Lemon Yellow flowers
A workhorse in the summer garden. Masses of pleasing yellow rayed flowers from summer to fall. Its generosity of bloom is matched by its hardiness. Early summer to early autumn. bloom 18 in. x 18 in.
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020-011 Coreopsis verticillata 'Zagreb' 
Sun Zones 5-9 Strong Golden Yellow flowers
Compact, long-blooming clusters of yellow rayed flowers. The intensity of the yellow makes it a candidate for the "hot" border. Will tolerate some drought. Summer. bloom 12 in. x 12 in
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532-003D4 Cornus alba 'Argenteo-Marginata' ('Elegantissima') 
Sun, Part Shade Zones 2-8 White flowers
We grow this fairly large, somewhat suckering shrub as a transition between the Four Seasons Garden and the Mixed Border. The gray green leaves with white margins brighten up a part shade situation. In winter after leaf-drop, the fiery red stems tell yet another story adding fuel to the yellow flowers of Hamamelis mollis nearby. The new growth is the most brilliantly colored, so cut back at the end of winter to promote new growth. May to June. bloom 8-10 ft x 5-10 ft.
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532-015D4 Cornus alba 'Aurea' 
Sun Zones 2-8 White flowers
Brilliant all seasons. During the spring, summer and fall, the leaves are glowing gold. But as the leaves begin to drop, the red twigs carry on the warm color in the winter garden. Small clusters of white flowers in late spring produce pale fruits in summer. May to June. bloom 10 ft. x 10 ft.
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532-002D4 Cornus alba 'Gouschaltii' 
Sun, Part Shade Zones 4-8 White flowers
The pink flushed, gold-ringed green foliage of this shrub serves as a backdrop for the Texture Garden during the bloom season. Then the brilliant wine red stems add a strong linear presence to the bed in winter. May to June. bloom 8 ft. x 5 ft.
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532-024D4 Cornus alba 'Red Gnome' 
Sun, Part Shade Zones 3-8 White flowers
A small red twig dogwood that is suitable for use in a smaller garden. Especially striking in the winter when the dense red branches are most visible. Late spring. bloom 3-4 ft. x 3-4 ft.
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532-023D4 Cornus pumila 
Sun, Part Shade Zones 5-8 White flowers
A short suckering shrub with beautiful soft, distinctly veined green foliage. In the autumn, the leaves are stained burgundy. The small white flowers develop into black fruits. Summer. bloom 6 ft. x 6 ft.
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532-001D4 Cornus sanguinea 'Midwinter Fire' 
Sun, Part Shade Zones 6-8 White flowers
This is known for its vivid red stems in the winter garden. We cut this back in late winter to promote vigorous new growth and to keep the shrub in size. Spring bloom 6 ft. x 4 ft.
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532-001-1 Cornus sanguineous 'Midwinter Fire' 
Sun, Part Shade Zones 4-8 White flowers
Grow this shrub for the fiery stems that begin red at their bases and change to yellow and then orange at their tips. A rounded shrub with some fall color that is at its most beautiful at the end of the year. Cut back at the end of winter to promote new growth and to keep the shrub in size. May to June. bloom 6 ft. x 6 ft.
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532-009D4 Cornus sericea 'Hedgerows Gold' 
Sun, Part Shade Zones 4-8 White flowers
A gift to Northwest gardeners from Oregon's Hedgerows Nursery. The bright yellow and green variegated foliage drops in November to reveal deep red stems. GPP. May to June. bloom 6 ft. x 8 ft.
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632-001D4 Corokia cotoneaster 
Sun Zones 8-10 Yellow flowers
Sometimes this looks like a shrub that has lost most of its leaves. The new stems in autumn and winter look especially bare, while deep in the core of the shrub are numerous small oblong leaves that are not readily evident at first glance. We grew this with no water on a south-facing slope. The gray to gray black stems are very attractive, especially when the tiny yellow flowers are in bloom. Late spring. bloom 8 ft. x 8 ft.
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632-002D4 Corokia x virgata 'Sunsplash' 
Sun Zones 8-10 Yellow flowers
We lost this in the garden during our record cold December 2009. For several years, we had enjoyed this open-habited evergreen shrub with its small, yellow splashed leaves showing cream and green highlights. Its see-through quality had combined nicely with other more densely foliaged shrubs in the background. We miss it so much we are replacing it. Late spring. bloom 5 ft. x 3 ft.
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445-001D4 Correa alba 'Ivory Bells' 
Sun Zones 8-10 Ivory flowers
This grows on a south-facing slope where it has been hardy for us for many years. Rounded, matte-green leaves have hairy stems. Flowers are tubular, opening ivory and fading to tan. October to February. bloom 3 ft. x 6-10 ft.
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445-003D4 Correa backhouseana 
Sun Zones 8-10 Cream flowers
This softly textured shrub is best suited to mild climates. The soft ruddy hairs on the margins of the leaves and the stems is reminiscent of the velvet on deer antlers. Lovely cream bells. Fall to winter. bloom 6 ft.
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445-002D4 Correa pulchella ( Australian fuchsia ) 
Sun Zones (8)9-10 Dusky Pink flowers
S. Australia. We havegrown this outdoors for many years but were originally hesitant to sell it because it was reputed to be borderline hardy for us. Evergreen, low branching shrub with dark green elliptical leaves. Bears inch-long, bell-shaped, pink flowers with pale yellow lips at a surprising time of year. Keep in a sheltered position. Autumn to winter. bloom 2 ft. x 3 ft.
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291-001-1 Cortaderia selloana ('Argentea') ( Pampas grass ) 
Sun Zones (7)8-10
In autumn, the tall sun flecked, very silvery plumes of this grass never fail to excite visitors. The evergreen gray green blades form a fountain at their bases. Our form is taller with larger plumes than the type. Drought tolerant. Autumn. bloom 10 ft.
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291-002-1 Cortaderia selloana 'Aureolineata' ('Gold Band') 
Sun Zones (7)8-10
The fountain of bright gold edged blades lights up our lower lavender border. By late summer, silvery plumes create vertical drama. This much requested grass is slightly smaller than the species. 8 ft. Autumn. bloom 8 ft.
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291-005-1 Cortaderia selloana 'Sun Stripe' ( Pampas grass ) 
Sun Zones 7-10
Pampas grass is a common feature in Northwest gardens, but this radiant selection is rarely seen. Its stiff blades have soft yellow interior variegation that fades to cream by the end of the summer when the feathery plume develops. A large, glowing presence in the dry border. Late summer. bloom 7 ft. x 5 ft.
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021-022 Corydalis elata 
Part Shade Zones 6-8 Blue flowers
Very similar to Corydalis flexuosa except the foliage is not evergreen. Also, the flowers of our form, when viewed closely, have distinct violet staining at the base of the tubes. This is a slow spreading perennial that is ideal for the dappled shade garden. Very late spring. bloom 16 in.
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021-017 Corydalis flexuosa 'China Blue' 
Part Shade Zones 5-9 Light Blue flowers
Western China. A spectacular plant with fragrant, light blue flowers and glaucous, finely cut foliage. Best in a moist location with loose, leafy soil. May to June. bloom 18 in.
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021-026 Corydalis flexuosa 'Pere David' 
Part Shade Zones 6-8 Turquoise Blue flowers
Delicate, tubular, turquoise blue flowers contain a delicious fragrance but you must kneel down to enjoy it. The fern-like, glaucous foliage has attractive red markings near its central ribbing. This form increases by stolons. Spring to summer. bloom 12 in. x 12 in.
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021-027 Corydalis flexuosa 'Purple Leaf' 
Part Shade Zones 6-8 Blue flowers
The leaves and stems of this selection are stained red purple. The blood red markings at the base of the leaflets are quite impressive when coupled with its true blue flowers. Spring. bloom 12 in. x 12 in.
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021-005 Corydalis leucanthema 'Silver Spectre' 
Part Shade Zones 5-8 Lavender/Dark Throat flowers
The central silver variegation on the leaves might better be described as "pewter". Nonetheless, it is an attractive feature that adds new possibilities in the shade garden. The lovely tubular flowers are heralds of spring. Early spring. bloom 8 in.
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021-008 Corydalis ochroleuca 
Sun, Part Shade Zones 6-8 Creamy White flowers
Attractive, pinnately-divided evergreen leaves have rounded leaflets. Short racemes of white spurred flowers with yellow throats bloom from late spring throughout much of the summer here. Late spring to midsummer. bloom 12 in. x 12. in.
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095-001 Cosmos atrosanguineus ( Chocolate Cosmos ) 
Sun Zones 8-9 Blood Red flowers
Lovely, 1-inch, single, dahlia-like, blood red blooms above bushy dark green foliage edged in burgundy. The blooms have a chocolate aroma. Needs a sunny, protected, well-drained site. From Mexico. Summer to early fall. bloom 24 in.
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543-006D4 Cotinus coggygria 'Golden Spirit' PP13,082 
Sun, Part Shade Zones 5-8 Dusky Pink flowers
The young leaves on this small tree are golden, greening slightly as they age. In early summer, the bright color shows off the fluffy inflorescences. The leaves turn coral late in the year. June to July. bloom 8-10 ft.
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543-004-1 Cotinus 'Grace' 
Sun Zones 5-8 Reddish flowers
Brilliant deep red purple, rounded leaves look brilght red with the sun shining through them. Older foliage turns dark wine red and then becomes suffused with green. In the autumn, the foliage takes on hues of peachy orange and yellow. A fine small tree or large shrub for an urban garden. Summer. bloom 15 ft. x 15 ft.
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543-004D4 Cotinus 'Grace' 
Sun Zones 4-8 Pink flowers
This hybrid between Cotinus obovatus and C. coggygria 'Velvet Cloak' was created by Peter Dummer of Hillier Nursery in the UK. The result is a large shrub or small tree with bright wine-red young leaves that turn blue green as they mature and then take on vivid colors in the autumn. It is fast growing but can be kept in scale for a smaller garden by giving it a hard prune at the end of winter. When the large airy panicles of flowers appear, the effect is riveting. Summer. bloom 10-15 ft.
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317-003D4 Cotoneaster apiculatus 'Tom Thumb' 
Sun Zones 5-7 White flowers
Very dense small shrub with tiny quarter-inch glossy green leaves alternating down the dark stems. The dense over-laying of the stems gives this a cascading rhythm. Leaves turn red in the autumn. Summer, bloom 2 ft. x 5 ft.
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317-002D4 Cotoneaster nitidus (distichus) 
Sun, Part Shade Zones 7-8 White Blushed Pink flowers
This large shrub anchors our fuchsia path. We have pruned it to create an open, upright, fan-shaped shrub that is always dynamic. From late spring to early summer, the countless small flowers are abuzz with the hum of honeybees. At high summer, the tall arching branches form a filigree of leaves against the sky. By the late summer, brilliant red fruits echo the red in the Christmas colored fuchsias nearby. These fruits persist into the winter when the plant becomes a haven for wildlife. Early summer bloom 8 ft. x 12 ft.
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023-001-1 Crambe cordifolia 
Sun Zones 6-9 White flowers
Just as the spring perennials are finishing up in the Dry Border and the Buddleias are setting their bloom, massive leaves unfold from a huge purple rootstock. Soon, clouds of tiny white flowers appear on 8-foot stems. The effect is one of a giant baby's breath. The flowers are honeyed at first and become less sweet with age. Spring. bloom 8 ft. x 5 ft.
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025-019D4 Crocosmia 'Carmine Brilliant' 
Sun, Part Shade Zones 6-9 Red flowers
Essentially the tubular flowers have a "carmine" (red blue) coloration when you look in their interiors. The reverses of the flowers, however, range from orange to scarlet giving the plant a complex coloration. To add to the complexity, the stems and calyces are a complementary purple. The grass-like foliage is medium green. Hummingbirds do love the flowers. July to August bloom 24 in. x 24 in.
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025-005D4 Crocosmia 'Emberglow' 
Sun Zones 7-9 Scarlet/Orange flowers
The striking orange tubular flowers have scarlet reverses and yellow throats. The flower stems are often stained purple. Summer. bloom 3 ft.
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025-011D4 Crocosmia 'Emily McKenzie' 
Sun Zones 6-9 Orange flowers
Open, flat faced orange flowers with maroon markings in their centers. The purple stems are the same color as Penstemon 'Rich Ruby,' a potential companion. Late summer. bloom 30 in.
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025-002D4 Crocosmia 'Golden Fleece' ('Citronella') 
Sun Zones 6-9 Yellow flowers
Pollen yellow buds open to bright yellow flowers that are larger than usual. The apple green foliage is narrow. Midsummer. bloom 2.5 ft.
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025-010D4 Crocosmia 'Jenny Bloom' 
Sun Zones 6-9 Mango flowers
Mango colored buds open to an intense orange-yellow. Individual flowers are one inch across. Early summer. bloom 2.5 ft.
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025-012D4 Crocosmia 'Kathleen' 
Sun Zones 6-9 Scarlet/Orange flowers
Scarlet buds open to scarlet and orange flowers. Midsummer. bloom 3 ft.
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025-004D4 Crocosmia 'Lucifer' 
Sun Zones 6-9 Scarlet-Red flowers
Customers must share this towering perennial with the hummingbirds. Vivid scarlet-red flowers draw the eye up into the Mixed Border. The ruddy rounded seed capsules call attention to themselves as well. GPP. Summer. bloom 6 ft. x 6 ft.
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025-001D4 Crocosmia masoniorum 
Sun Zones 6-9 Vermillion flowers
Vermilion buds open to orange flowers with yellow centers. The reverses are alternating scarlet and orange. Take advantage of the burgundy stems to complement other purples in the garden. Foliage is fairly broad. Early summer. bloom 4 ft.
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025-006D4 Crocosmia 'Norwich Canary' 
Sun Zones 6-9 Yellow flowers
Yellow orange buds open bright yellow inside with orange-yellow reverses. Flowers 1.5-inches wide. Midsummer. bloom 2 ft.
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025-028D4 Crocosmia 'Orangeade' 
Sun Zones 7-9 Orange flowers
We have been surprised by the long season of bloom on 'Orangeade.' Open-faced tubular flowers are distributed along tall arching stems that rise above the bold pleated foliage. In height, this is intermediate between the short selections and tall plants like 'Lucifer'. July to September. bloom 4 ft. x 3 ft.
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025-018D4 Crocosmia pottsii 'Culzean Pink' 
Sun Zones 8-10 Apricot Pink flowers
Small in flower but very lovely of color. The one-inch funnel-shaped flowers are not really pink but closer to apricot with hints of orange. The flower spike has foot-long racemes. We grow this with Rosa 'Rachel Bowes Lyon' which is very close in color and is in bloom at the same time. Late July through August. bloom 32 in.
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025-015D4 Crocosmia 'Severn Seas' 
Sun Zones 6-9 Reddish Orange flowers
Brilliant reddish-orange tubular flowers with yellow throats. Summer. bloom 2 ft.
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025-003D4 Crocosmia 'Solfatere' 
Sun Zones 7-9 Soft Yellow flowers
The ochre buds open to relatively large flowers that are soft yellow on the inside and bright yellow on their reverses. They are carried on wiry stems above narrow green leaves which are infused with bronze. A very attractive combination. Summer. bloom 2.5 ft.
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025-016D4 Crocosmia 'Star of the East' 
Sun Zones 6-9 Orange flowers
Large outward facing soft orange flowers with paler centers. This excites visitors who stroll by the orange section of the Rose Garden. The persistent orange seed heads are also attractive. Midsummer to midautumn. bloom 28 in.
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025-014D4 Crocosmia 'Venus' 
Sun Zones 6-9 Red Orange/Gold flowers
Buds are scarlet opening to golden orange flowers with distinct red scalloping. The reverses alternate peachy orange and scarlet orange. Midsummer. bloom 2.5 ft.
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025-017D4 Crocosmia 'Walberton Red' 
Sun Zones 8-10 Rosy Coral flowers
This is very late flowering, for us just overlapping with the final August blooms of Crocosmia 'Venus' and 'Star of the East' and continuing on alone to October. The red buds open to 2- inch wide rosy coral flowers that have orange red reverses. August to October. bloom 22 in. x 12 in.
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025-021D4 Crocosmia 'Zeal Tan' (Jones, 1991) 
Sun Zones 7-9 Orange flowers
Attractive and vigorous. Orange flowers with red highlights in their faces and darker orange reverses. The purple in the flowering stems gives the orange a redder appearance. The foliage is broad and fan-shaped. 8-10 flowers per stem. July to mid-August. bloom 2 ft. x 22 in.
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637-001-1 Cryptotaenia japonica f. atropurpurea 
Sun, Part Shade Zones 5-8 White flowers
This was supposed to stay 18 inches tall but has neared the 3 foot mark here. The purple-black foliage and stems are most lovely in the spring. Later in the year they tend to dull with age. It seems quite happy in the shady end of our Point Garden against the silvery backdrop of the sunny end. Early summer. bloom 3 ft. x 2.5 ft.
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419-001-1 Cupressus glabra 'Blue Ice' ( Arizona cypress. ) 
Sun Zones 7-9
This splendid conical tree has true blue foliage that never fails to attract our visitors. 15 ft. x 8 ft. in ten years. To 25 ft.
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547-001 Cyclamen hederifolium 
Shade, Part Shade Zones (7)8-9 Pink flowers
The leaves of our seedlings are marbled in light and dark green. They are somewhat triangular in shape, with wavy edges and purple reverses. The solitary flowers rise on short stems in the autumn before the leaves develop. They disappear but the leaves persist throughout the winter filling a very important role in the winter garden. We grow these under conifers and rhododendrons. Autumn. bloom 4-5 in.
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547-006 Cyclamen hederifolium `Alba' 
Shade, Part Shade (7)8-9 White flowers
The leaves of our seedlings are marbled in light and dark green. They are somewhat triangular in shape, with wavy edges and purple reverses. The solitary flowers rise on short stems in the autumn before the leaves develop. They disappear but the leaves persist throughout the winter filling a very important role in the winter garden. We grow these under conifers and rhododendrons. All are hand-selected for true color. Fall bloom 4-5 in.
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406-001D4 Cynara cardunculus ( Cardoon ) 
Sun Zones 7-10 Purple flowers
Relatives of the artichoke (Cynara scolymus), cardoons are massive clumping perennials with arching, gray, deeply cut basal foliage and towering bloom spikes. The flower heads resemble prickly artichokes with intense purple flowers that draw bees & hummingbirds alike. The plants may go into a short period of dormancy after blooming. Cut back the spent bloom spike and they will grow new leaves which they will carry through the winter. GPP. Summer. bloom 12 ft. x 5 ft.
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406-002D4 Cynara scolymus 'Green Globe' 
Sun Zones 8-9 Purple flowers
This selection of artichoke produces large spherical green flower heads that are both ornamental and edible. Flowers left to mature will be bright purple. The large deeply lobed leaves are stiff and woolly to the touch. They are evergreen and look spectacular as a background in the mixed border. They can measure almost a yard in length. Late summer. bloom 6 ft. x 4 ft.
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763-001D4 Cypella coelestis 
Sun Zones 7-9 Blue flowers
We have tested this iris relative in our gardens and it has proven hardy. Delicate mid-blue iris flowers continue to bloom on yard-high stems over many weeks. The large knobbed seed capsules are also attractive. Beautiful pleated blue-green leaves. Late summer. bloom 36 in. x 5 in.
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741-001 Cyrtomium caryotideum ( Dwarf holly fern ) 
Sun to Shade Zones 6-9
Evergreen. The holly leaf cut of the fronds combined with their light green color and netted veining give this plant its presence in the garden. Needs evenly moist conditions. GPP. 12 in.
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741-003D4 Cyrtomium macrophyllum 
Shade, Part Shade Zones 6-9
This stalwart, evergreen fern remained upright and attractive throughout the extra-cold and snowy winter of 2008-09. The broad wavy-edged blades have a dull luster and distinct black veining running through them that makes you wonder if you shouldn't add ebony-colored Ophiopogon planiscapus 'Nigrescens' nearby for a color echo. GPP. 1-2 ft. x 1.5 ft.
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