'Ceperly Hybrid' Sikkimensis Primrose Cephalophyllum
Cerastium, Taurus (spp.) Cerastium, Taurus 'Yo Yo'
Cereus, Night Blooming Ceriman
'Cerise Queen' Common Yarrow 'Cevennensis' Long Leafed Lungwort
Ceylon Bowstring Hemp 'Chablo' Alumroot: Heuchera
Chain of Hearts Chainfruit Cholla
Chaix Mullein (spp.) Chaix Mullein White
'Chameleon' Chameleon Plant 'Chameleon' Euphorbia
Chameleon Plant (spp.) Chameleon Plant 'Chameleon'
Chamomile, Dyers' (spp.) Chamomile, Dyers' 'Kelwayi'
Chamomile, Dyers' 'Moonlight' Chamomile, Dyers' 'Susanna Mitchell'
Chamomile, Dyers' 'Wargrave' Chamomile, False Dwarf
Chamomile, Spanish Chamomile, Yellow (spp.)
Chamomile, Yellow 'Kelwayi' Chamomile, Yellow 'Moonlight'
Chamomile, Yellow 'Susanna Mitchell' Chamomile, Yellow 'Wargrave'
Chamomile: asteroides, False 'Pink Beauty' Chamomile: asteroides, False 'Snowbank'
Chamomile: asteroides, False 'Snowflake' Chamomile: nobile
'Champagne Bubbles' Alumroot: Heuchera 'Champagne Bubbles' Iceland Poppy
'Champagne Elegance' Tall Bearded German Iris Chandelier Plant
'Chantilly Lace' Hosta Chaparral Prickly Pear
Chaparral Sage Charity (spp.)
'Charlene Strawn' Waterlily 'Charles de Meurville' Waterlily
'Charles Thomas' Sacred Lotus 'Chartreuse' Sweet Potato Vine
'Chasing Rainbows' Tall Bearded German Iris Chasmanthe
'Chater's Double' Hollyhock 'Chawan Basu' Sacred Lotus
Checkerbloom: malviflora 'Elsie Heugh' Checkered Fritillary (spp.)
Checkered Lily (spp.) Checkermallow: malviflora 'Elsie Heugh'
Cheddar Pink (spp.) Cheddar Pink 'Bath's Pink'
Cheddar Pink 'Dottie' Cheddar Pink 'Mountain Mist'
Cheddar Pink 'Pixie' Cheddar Pink 'Spotty'
Cheddar Pink 'Tiny Rubies' Cheiridopsis
Cheiridopsis: cigarettifera Cheiridopsis: denticulata
Chende Chenille Plant, Trailing
Chenille Plant: pulvinata 'Chequers' Spotted Dead Nettle
'Cherokee Sunset' Black-eyed Susan 'Cherries Jubilee' Alumroot: Heuchera
'Cherry Bells' Spotted Bellflower 'Cherry Berry' Hosta
'Cherry Cheeks' Daylily Cherry Pie (spp.)
Cherry Pie 'Atlantis' Cherry Pie 'Marine'
Cherry, Ground Chervil 'RavensWing'
Chia 'Chicago Apache' Daylily
'Chicago Arnies Choice' Daylily 'Chicago Firecracker' Daylily
'Chicago Sunrise' Daylily Chickabiddy (spp.)
Chickabiddy 'Jewels' Chickweed, Mouse-Ear (spp.)
Chickweed, Mouse-Ear 'Yo Yo' Chicory (spp.)
Chicory 'Marina' Chigo Zasa (spp.)