All The Perennials Your Garden Needs

 Aaron Caladium

Caladium 'Aaron'

 Alan Bloom Clematis

Clematis heracleifolia 'Alan Bloom'

 Albormarginata Hosta

Hosta undulata

 Alma Potschke Aster

Aster novae-angliae

 Amber Waves Coral Bells

Heuchera 'Amber Waves'

 American Dream Coreopsis

Coreopsis rosea

 Amethyst Calla Lily

Calla 'Amethyst'

 Amethyst Myst Coral Bells

Heuchera 'Amethyst Myst'

 Angelina Sedum

Sedum repestre 'Angelina'

 Ann Chowning Iris

Iris 'Ann Chowning'

 Ann Thompson Geranium

Geranium 'Ann Thompson'

 Appleblossom Diascia

Diascia 'Appleblossom'

 Appleblossom Yarrow

Achillea 'Appleblossom'

 Apricot Diascia

Diascia 'Apricot'

 Apricot Frost Canna

Canna 'Apricot Frost'

 Aquarian Hibiscus

Hibiscus 'Aquarian'

 Argentus Thyme

Thymus vulgaris 'Argenteus'

 Atropurpurea Phlox

Phlox subulata 'Atropurpurea'

 August Moon Hosta

Hosta seiboldiana

 Aureomarginata Hosta

Hosta fortunei

 Aurora Bleeding Heart

Dicentra formosa 'Aurora'

 Autumn Joy Sedum

Sedum 'Herbstfreude'

 Autumn Moor Grass

Sesleria autemnalis

 Aztec Gold Veronica

Veronica prostrata 'Aztec Gold'

 Bachelors Button Mountain Bluet

Centaurea montana

 Banana Custard Mullein

Verbascum hybridum 'Banana Custard'

 Baths Pink Dianthus

Dianthus gratianopolitanus

 Becky Shasta Daisy

Leucanthemum superbum

 Bertie Crug Geranium

Geranium 'Bertie Crug'

 Biedermeier Columbine

Aquilegia 'Biedermeier'

 Big Bluestem Grass

Andropogon gerardii

 Biokovo Geranium

Geranium x cantabrigiense

 Black Barlow Columbine

Aquilegia vulgaris 'Black Barlow'

 Black Gamecock Iris

Iris 'Black Gamecock'

 Black Scallop Ajuga

Ajuga reptans 'Black'

 Black Velvet Foam Flower Tiarella

Tiarella 'Black Velvet'

 Blackout (Asiatic Lily) Lily

Lilium asiatic 'Blackout'

 Blanca Scabiosa

Scabiosa 'Blanca'

 Blazing Sunset Geum

Geum flore plena 'Blazing Sunset'

 Blue Diamonds Scabiosa

Scabiosa japonica 'Blue Diamonds'