Diablo Helianthella
Diabolo Purple Ninebark
Diamond Heights California Lilac
Dome Euphorbia
Don Juan Climbing Rose
Donkey Tail, Burro Tail
Double Japanese Kerria, Kerrybush
Double Sunburst Coreopsis
Double WIld Philadelphia
Douglas Fir
Douglas Iris
Douglas Pyramidal Arborvitae
Dr. Hurd Manzanita
Dragon Toes Agave
Dropmore Catmint
Dudleya
Dusky Challenger Bearded Iris
Dusky Chief New Zealand Flax
Dusty Miller