Cochlearia danica
Danish Scurvygrass
Cordyline australis
Cabbage-palm
Coriandrum sativum
Coriander
Corydalis solida
Bird-in-a-bush
Cota tinctoria
Yellow Chamomile
Cotoneaster cambricus
Wild Cotoneaster
Cotoneaster horizontalis
Wall Cotoneaster
Cotoneaster integrifolius
Entire-leaved Cotoneaster
Crassula helmsii
New Zealand Pigmyweed
Crepis vesicaria
Beaked Hawk's-beard
Crocosmia x crocosmiiflora
Montbretia
Crocus neapolitanus
Spring Crocus
Crocus nudiflorus
Autumn Crocus
Crocus speciosus
Bieberstein's Crocus
Crocus tommasinianus
Early Crocus
Crocus x luteus
Yellow Crocus
Cryptomeria japonica
Japanese Red-cedar
Cyclamen coum
Eastern Sowbread
Cyclamen hederifolium
Sowbread
Cydonia oblonga
Quince
Cymbalaria muralis
Ivy-leaved Toadflax
Cynara cardunculus
Cardoon
Cyrtomium fortunei
Fortune's cyrtomium
Darmera peltata
Indian-rhubarb
Datura stramonium
Thorn-apple
Dicentra formosa
Bleeding-heart
Dicksonia antarctica
Australian Tree-fern
Digitaria ischaemum
Smooth Finger-grass
Diplotaxis muralis
Annual Wall-rocket
Dipsacus sativus
Fuller's Teasel
Doronicum pardalianches
Leopard's-bane
Echinops bannaticus
Blue Globe-thistle
Echium pininana
Giant Viper's-bugloss
Epilobium brunnescens
New Zealand Willowherb
Equisetum ramosissimum
Branched Horsetail
Eranthis hyemalis
Winter Aconite
Erica arborea
Tree Heath
Erica terminalis
Corsican Heath
Erigeron canadensis
Canadian Fleabane
Erigeron karvinskianus
Mexican Fleabane
Erigeron sumatrensis
Guernsey Fleabane
Erinus alpinus
Fairy Foxglove
Erythranthe guttata
Monkeyflower
Erythranthe x robertsii
Hybrid Monkeyflower
Escallonia rubra
Escallonia
Eschscholzia californica
Californian Poppy
Euonymus japonicus
Evergreen Spindle
Euphorbia characias
Mediterranean Spurge
Euphorbia x pseudovirgata
Twiggy Spurge
Fagopyrum esculentum
Buckwheat
Fallopia baldschuanica
Russian-vine
Fatsia japonica
Fatsia
Ficaria verna
Lesser Celandine
Forsythia x intermedia
Forsythia
Fragaria ananassa
Garden Strawberry
Fuchsia magellanica
Fuchsia
Galanthus elwesii
Greater Snowdrop
Galanthus nivalis
Snowdrop
Galanthus woronowii
Green Snowdrop
Galinsoga quadriradiata
Shaggy Soldier
Gaultheria mucronata
Prickly Heath
Gaultheria shallon
Shallon
Geranium macrorrhizum
Rock Crane's-bill
Geranium phaeum
Dusky Crane's-bill
Geranium pyrenaicum
Hedgerow Crane's-bill
Geranium versicolor
Pencilled Crane's-bill
Geranium x oxonianum
Druce's Crane's-bill
Griselinia littoralis
New Zealand Broadleaf
Gunnera tinctoria
Giant-rhubarb
Helianthus annuus
Sunflower