Plant Growing Guides

Cocklebur

Xanthium strumarium

Cock's-foot

Dactylis glomerata

Cocksfoot

Dactylis glomerata

Cocksfoot Grass (Orchard Grass)

Dactylis glomerata

Cockspur Hawthorn

Crataegus crus-galli

Cocktail Pink

Dianthus chinensis 'Cocktail Pink'

Codonopsis

Codonopsis lanceolata

Long-bracted Frog Orchid

Coeloglossum viride

Passionflower, Blue Passionflower

Passiflora coerulea

Colchicum

Colchicum autumnale

Double Autumn Crocus

Colchicum autumnale 'Alboplenum'

Autumn Crocus 'Album'

Colchicum autumnale 'Album'

Autumn Herald Colchicum

Colchicum autumnale 'Autumn Herald'

Bornmueller's Colchicum

Colchicum bornmuelleri

Meadow Saffron

Colchicum speciosum

Colchicum 'The Giant'

Colchicum autumnale 'The Giant'

Colchicum 'Waterlily'

Colchicum autumnale 'Waterlily'

Cold Frame Lettuce

Lactuca sativa

Collard Greens

Brassica oleracea var. viridis

Collard Greens 'Flash Collards'

Brassica oleracea var. viridis 'Flash'

Collard Greens Georgia Southern

Brassica oleracea var. viridis

Collard Greens 'Vates'

Brassica oleracea var. viridis

Collard Greens

Brassica oleracea var. viridis

Colonial Bentgrass

Agrostis capillaris

Colorado Blue Spruce

Picea pungens

Columbine

Aquilegia vulgaris

Columbine Barlow's Double Burgundy

Aquilegia vulgaris 'Barlow's Double Burgundy'

Columbine 'Barlow's Double Burgundy'

Aquilegia vulgaris 'Barlow's Double Burgundy'

Columbine Biedemeier

Aquilegia vulgaris 'Biedemeier'

Columbine Black Barlow

Aquilegia vulgaris 'Black Barlow'

Columbine Magpie

Aquilegia vulgaris 'Magpie'

Columbine 'Magpie'

Aquilegia vulgaris 'Magpie'

Columbine Nora Barlow

Aquilegia vulgaris 'Nora Barlow'

Columbine 'Nora Barlow'

Aquilegia vulgaris 'Nora Barlow'

Columbine Winky

Aquilegia × hybrid 'Winky'

Columnar Arborvitae

Thuja occidentalis

Columnar Blue

Juniperus scopulorum 'Columnar Blue'

Columnar Boxwood

Buxus sempervirens 'Columnaris'

Columnar Cryptomeria

Cryptomeria japonica 'Elegans Compacta'

Columnar Eastern Red Cedar

Juniperus virginiana 'Canaertii' or similar columnar cultivars

Columnar Green Arborvitae

Thuja occidentalis

Columnar Hinoki Cypress

Chamaecyparis obtusa

Columnar Incense Cedar

Calocedrus decurrens 'Columnaris'

Columnar Japanese Holly

Ilex crenata 'Columnaris'

Columnar Japanese Yew

Taxus cuspidata 'Columnaris'

Columnar Juniper

Juniperus scopulorum or Juniperus virginiana (depending on variety)

Columnar Yew

Taxus x media 'Columnaris'

Colvillei

Ipomopsis aggregata