Celastrus scandens
American Bittersweet
Native to eastern North America. To 20 ft. or more. Oval, toothedged leaves to 4 in. long. Fruit appea...
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Celtis occidentalis
Common Hackberry
Native to eastern North America. To 50 ft. or taller and nearly as wide, with rounded crown and spread...
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Celtis pallida
Desert Hackberry
Native to southwestern U.S.and northern Mexico. Smalltree or shrub with dense, spinygrowth to 18 ft. t...
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Celtis reticulata
Western Hackberry
Native to eastern Washington, northern Oregon, Idaho, through intermountain area to Utah, and in mount...
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Centaurea cineraria
Dusty Miller
(This common name is used for many plants with whitish foliage; see Dusty Miller.) Native to Italy. Co...
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Centaurea cyanus
Cornflower
Bachelor's Button, or cornflower, is a pretty blue flower from northern temperate regions. A common bu...
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Centaurea macrocephala
From the Caucasus. Attractive, coarse-foliaged, leafy plant 3–4 ft. tall, 2 ft.wide. Blooms in s...
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Centaurea montana
Native to mountains of central Europe. It forms a clump 1 1/2–2 ft. tall and wide; grayish green...
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Centranthus ruber
Jupiter’s Beard
Mediterranean native is a weed in many parts of the West. Self sows prolifically, thanks to small dand...
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Cephalanthus occidentalis
Buttonbush
This rounded shrub grows 3–15 ft. tall and wide. Its brightgreen, paired or whorled leavescome out lat...
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Cephalocereus senilis
Old Man Cactus
Native to Mexico. Slender, columnar cactus growing slowly to 45 ft. tall in great old age; usually muc...
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Cerastium tomentosum
Snow In Summer
This low-growing European native performs equally well in mild and cold climates, coast...
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