Dome Euphorbia
Don Juan Climbing Rose
Donkey Tail, Burro Tail
Double Flower Mock Orange
Double Japanese Kerria, Kerrybush
Double Sunburst Coreopsis
Douglas Iris
Douglas Pyramidal Arborvitae
Dragon Tree
Dudleya
Dusky Challenger Bearded Iris
Dusky Chief Flax
Dusty Miller
Dusty Miller, Silver Groundsel
Dutch Iris or Spanish Iris
Dwarf Basket-of-Gold
Dwarf Carolina Laurel Cherry
Dwarf Compact Heavenly Bamboo
Dwarf Coyote Bush
Dwarf Eared Coreopsis