Great Plants for Adventurous Gardeners: A Hudson Valley Destination
| Photo | Botanical Name | Common Name | Plant Type | Flower Color | Blooming Starts | Blooming Ends | Hardiness Zone | Height | Exposure Type |
| Dahlia 'Babylon Bronze' | Dahlia | Annual | Gold-orange | Jul | Oct | Tender | 48" | Sun | |
| Dahlia 'Bishop of Llandaff' | Dahlia | Annual | Red | Jul | Oct | Tender | 48" | Sun | |
| Dahlia 'Forncett Furnace' | Dahlia | Annual | Orange-red | Aug | Oct | Tender | 36" | Sun | |
| Dahlia 'Kenora Macob' | Dahlia | Annual | Maroon-black | Jul | Oct | Tender | 48" | ||
| Dahlia 'Kingston Queen' | Dahlia | Annual | Apricot-orange-yellow | Jul | Oct | Tender | 36" | Sun | |
| Darmera peltata | Umbrella plant | Perennial | Pink | Apr | Apr | Z3 | 30" | Sun/Pt. Shade | |
| Dennstaedtia puntilobula | Hay-scented fern | Fern | May | Oct | Z3 | 24" | Sun/Pt. Shade | ||
| Dianthus 'Bewitched' | Border pink | Perennial | Pink-purple | May | Jun | Z4 | 10" | Sun | |
| Dianthus 'Firewitch' ('Feuerhexe') | Border pink | Perennial | Purple-red | Jun | Aug | Z3 | 8" | Sun | |
| Dianthus 'Mountain Mist' | Border pink | Perennial | Pink | May | Jun | Z5 | 10" | Sun | |
| Dianthus 'Spangled Star' | Border pink | Perennial | Red-pink | May | Jul | Z5 | 10" | Sun | |
| Dianthus carthusianorum | Carthusian pink | Perennial | Red-pink | May | Sep | Z5 | 15" | Sun | |
| Dianthus gratianopolitanus 'Bath's Pink' | Border pink | Perennial | Pink | Jun | Jul | Z4 | 10" | Sun | |
| Diascia 'Flying Colors Coral' | Twinspur | Annual | Coral | May | Sep | Tender | 10" | Sun | |
| Diascia 'Flying Colors Red' | Twinspur | Annual | Red | May | Sep | Tender | 10" | Sun | |
| Dicentra 'King of Hearts' | Fringed bleeding heart | Perennial | Rose-pink | Jun | Aug | Z3 | 10" | Sun/Pt. Shade | |
| Dicentra eximia | Fringed bleeding heart | Perennial | Pink | Apr | Sep | Z4 | 10" | Sun/Pt. Shade | |
| Dicentra spectabilis | Bleeding heart | Perennial | Pink | May | May | Z3 | 30" | Sun/Pt. Shade | |
| Dicentra spectabilis 'Alba' | White bleeding heart | Perennial | White | May | May | Z3 | 24" | Sun/Pt. Shade | |
| Dichondra 'Silver Falls' | Dichondra | Annual | Nondescript | Jul | Sep | Annual | 36" | Sun | |
| Digitalis ferruginea 'Yellow Herold' | Rusty foxglove | Perennial | Yellow | Jun | Jul | Z3 | 48" | Sun/Pt. Shade | |
| Digitalis purpurea 'Apricot' | Common foxglove | Perennial | Yellow-orange | Jun | Jul | Z3 | 40" | Sun/Pt. Shade | |
| Digitalis purpurea 'Pam's Choice' | Common foxglove | Perennial | White-burgundy | Jun | Jul | Z5 | 48" | Sun/Pt. Shade | |
| Digitalis purpurea Excelsior hybrids | Common foxglove | Perennial | White-pink-purple | Jun | Jul | Z3 | 48" | Sun/Pt. Shade | |
| Digitalis x mertonensis | Foxglove | Perennial | Red-pink | Jun | Jul | Z3 | 30" | Sun/Pt. Shade | |
| Dolichos lablab 'Ruby Moon' | Hyacinth bean | Annual | Lilac-purple | Jul | Oct | Annual | 120" | Sun | |
| Doronicum orientale 'Magnificum' | Leopard's bane | Perennial | Yellow | May | May | Z5 | 18" | Sun/Pt. Shade | |
| Dracocephalum ruyschianum 'Blue Dragon' | Siberian dragon's-head | Perennial | Blue | Jun | Jul | Z4 | 12" | Sun | |
| Dryopteris erythrosora | Autumn fern | Fern | Apr | Oct | Z3 | 18" | Pt. Shade/Shade | ||
| Dryopteris goldiana | Giant wood fern | Fern | Apr | Oct | Z2 | 36" | Pt. Shade/Shade | ||
| Dryopteris marginalis | Eastern wood fern | Fern | Apr | Oct | Z3 | 24" | Pt. Shade/Shade | ||
| Dryopteris pseudo filix-mas | Mexican male fern | Fern | Apr | Oct | Z5 | 36" | Pt. Shade/Shade |