Acanthus hungaris
Acanthus mollis
Achillea 'Mary Anne'
Achillea millefolium 'Cerise Queen'
Achillea millefolium 'Paprika'
Achillea millefolium 'Terra Cotta'
Achillea tomentosa 'Aurea'
Achillea x 'Moonshine'
Aconitum cammarum 'Eleanora'
Aconitum carmichaelii 'Bicolour'
Aconitum napellus 'Roseum'
Actaea pachypoda 'Alba'
Actaea pachypoda 'Misty Blue' NEW
Actaea rubra
Agastache 'Black Adder'
Agastache 'Blue Fortune'
Alchemilla erythropoda
Alchemilla mollis
Allium giganteum
Allium giganteum 'Globemaster'
Allium karataviense
Amsonia 'Blue Ice'
Amsonia ciliata 'Spring Sky'
Amsonia hubrechtii
Amsonia tabernaemontana
Anaphalis margaritacea
Anchusa azurea 'Little John'
Anchusa azurea 'Loddon Royalist'
Anemone canadensis
Anemone coronaria 'Harmony Blue'
Anemone hupehensis 'Prince Henry'
Anemone hupehensis 'September Charm'
Anemone hybrida 'Andrea Atkinson'
Anemone hybrida 'Party Dress'
Anemone hybrida 'Whirlwind'
Anemone x 'Pamina'
Anemone pulsatilla 'Red Cloak'
Anemone pulsatilla (Pulsatilla vulgaris)
Angelica gigas
Anthemis tinctoria 'Kelwayi'
Aquilegia alpina
Aquilegia canadensis
Aquilegia flabellata 'Cameo Series'
Aquilegia vulgaris 'Black Barlow'
Aquilegia vulgaris 'Blue Barlow'
Aquilegia vulgaris 'Nora Barlow'
Aquilegia vulgaris 'Pink Barlow'
Arisaema triphyllum
Armeria maritima 'Dusseldorf Pride'
Armeria maritima 'Rubrifolia'
Artemisia schmidtiana 'Silver Mound'
Artemisia stelleriana 'Silver Brocade'
Aruncus aethusifolius
Aruncus dioicus 'Sylvestris'
Aruncus dioicus 'Kneiffii'
Aruncus 'Misty Lace'
Asclepias incarnata 'Ice Ballet'
Asclepias tuberosa
Asclepias tuberosa 'Hello Yellow'
Asters -- General Information
Aster alpinus 'Dark Beauty'
Aster dumosus 'Alert'
Aster dumosus 'Violet Carpet'
Aster frikartii 'Monch'
Aster laevis 'Blue Autumn'
Aster novae-angliae 'Purple Dome'
Aster novae-angliae 'September Ruby'
Aster novae-angliae 'Vibrant Dome'
Aster novae-belquii 'Little Pink Beauty'
Aster oblongifolius 'October Skies'
Astilboides tabularis
Astrantia major 'Hadspen Blood'
Astrantia major 'Ruby Wedding'
Astrantia 'Moulin Rouge'
