Spring

Aquilegia chrysantha 'Yellow Queen'

Aquilegia 'Nora Barlow'

Aquilegia vulgaris 'Black Barlow'

Arabis caucasica 'Aubris Deep Rose'

Arabis caucasica 'Aubris White'

Armeria pseudarmeria 'Ballerina Purple Rose'

Armeria pseudarmeria 'Ballerina Red'

Armeria pseudarmeria 'Ballerina White'

Artemisia dracunculus 'Senior'

Aruncus dioicus 'Kneiffii'

Asphodeline lutea

Asplenium scolopendrium 'Cristatum'

Aster 'Apollo'

Aster 'Herbstgruss vom Bresserhof'

Aster 'Monte Cassino'

Aster ageratoides 'Ashvi'

Aster ageratoides 'Asran'

Aster ageratoides 'Stardust'

Aster ageratoides 'Starshine'

Aster alpinus

Aster alpinus 'Albus'

Aster alpinus 'Dunkle Schöne'

Aster alpinus 'Happy End'

Aster amellus 'Rudolf Goethe'