Astilbe (spp.) Astilbe 'Bressingham Beauty'
Astilbe 'Bridal Veil (Brautschleir)' Astilbe 'Bumalda'
Astilbe 'Cattleya' Astilbe 'Cotton Candy'
Astilbe 'Darwin's Dream' Astilbe 'Elizabeth Bloom'
Astilbe 'Erika' Astilbe 'Fanal'
Astilbe 'Federsee' Astilbe 'Flamingo'
Astilbe 'Gloria' Astilbe 'Granat'
Astilbe 'Grete Pungel' Astilbe 'Red Light (Rotlicht)'
Astilbe 'Showstar' Astilbe 'Spinell'
Astilbe, Chinese (spp.) Astilbe, Chinese 'Finale'
Astilbe, Chinese 'Pumila' Astilbe, Dwarf (spp.)
Astilbe, Dwarf 'Bronze Elegance' Astilbe, Dwarf 'Darwin's Snow Sprite'
Astilbe, Dwarf 'Hennie Graafland' Astilbe, Dwarf 'Jacqueline'
Astilbe, Dwarf 'Rosea' Astilbe, Dwarf 'Sprite'
Astilbe, Dwarf 'White Wings' Astilbe: biternata
Astilbe: chinensis davidii Astilbe: japonica 'Bremen'
Astilbe: japonica 'Deutschland' Astilbe: japonica 'Elizabeth van Veen'
Astilbe: japonica 'Montgomery' Astilbe: japonica 'Red Sentinel'
Astilbe: thunbergii 'Ostrich Plume™' Astilboides
Asyneuma Atamasca Lily
Ateje De Costa 'Atheline Wilbur' Lilac
'Athene' Magnolia 'Athens' Carolina Allspice
'Athen's Yellow' Climbing Bleeding Heart 'Atlanta Moonlight' Daylily
'Atlanta Spacewalk' Daylily 'Atlantic' Dutch Hyacinth
Atlantic White Cedar (spp.) Atlantic White Cedar 'Andelyensis'
Atlantic White Cedar 'Conica' Atlantic White Cedar 'Ericoides'
Atlantic White Cedar 'Heatherbun' 'Atlantis' Heliotrope
'Atropurpurea' Carpet Bugle 'Atropurpurea' Cherry Plum
'Atropurpurea' Cryptotaenia 'Atropurpurea' Grey Heath
'Atropurpurea' Harry Lauder's Walking Stick 'Atropurpurea' Japanese Barberry
'Atropurpurea' Moss Phlox 'Atropurpurea Nana' Japanese Barberry
'Atropurpurea' Plantain: major 'Atropurpurea' Purple Shamrock
'Atropurpurea' Purple-leaved Loosestrife 'Atropurpurea' Spreading Beefsteak Plant
'Atropurpureum' Erect Stonecrop 'Atropurpureum' Japanese Maple
'Atropurpureum Ribbon Leaf' Japanese Maple 'Atropurpureum' Sedum: caucasicum
'Atropurpureum Superbum' Japanese Maple 'Atropurpureum' White Clover
'Atrovariegata Dissectum' Japanese Cutleaf Maple 'Attar of Roses' Sweet Scented Geranium
'Attraction' Butterflybush Aubrietia, Large Flowered
Aucuba 'Rozannie' Aucuba, Japanese (spp.)
Aucuba, Japanese 'Gold Dust' Aucuba, Japanese 'Mr. Goldstrike'
Aucuba, Japanese 'Picturata' Aucuba, Japanese Variegated
Aucuba, Narrow Leaf Japanese 'Aucubifolia' Green Ash
'August Bright' Daylily August Lily (spp.)
August Lily 'Aphrodite' August Lily 'Venus'
'August Moon' Hosta 'August Pioneer' Daylily
'Augustine' American Elm 'Aurantiaca' Winterberry: verticillata
'Aurantiacum' Aizoon Stonecrop 'Aurantiacum' Orange Bottlebrush Ginger
'Aurantiacum' Tea Viburnum