Aquilegia 'Crimson Star'

Armeria maritima 'Splendens'

Artemisia ludoviciana 'Silver Queen'

Artemisia abrotanum

Artemisia schmidtiana 'Nana'

Artemisia 'Powis Castle'

Aruncus dioicus

Aruncus aethusifolius

Aruncus 'Horatio'

Aster 'Jenny'

Aster 'Anneke'

Aster 'Monte Cassino'

Aster 'Professor Anton Kippenberg'

Aster alpinus 'Dunkle Schöne'

Aster alpinus

Aster x frikartii 'Mönch'

Aster alpinus 'Happy End'

Aster novae-angliae 'Purple Dome'

Aster 'Sarah Ballard'

Aster novi-belgii 'Marie Ballard'

Astilbe 'Brautschleier'

Astilbe chinensis 'Pumila'

Astilbe 'Fanal'

Aubrieta 'Hamburger Stadtpark'