Summer flowering perennials

Aquilegia flabellata var. pumila

Fan columbine

Aquilegia vulgaris 'Adelaide Addison'

Common columbine, Granny's bonnet

Aquilegia vulgaris 'Clementine Red'

Columbine, Clementine columbine

Aquilegia vulgaris 'Winky Pink-White'

Columbine, Clementine columbine

Arabis cypria

Cypriot Rock Cress

Arctotis Opera™ Series

African Daisy

Arctotis x hybrida 'Apricot'

African daisy, Hybrid African daisy

Arctotis x hybrida 'Champagne'

African daisy, Hybrid African daisy

Arctotis x hybrida 'Mahogany'

African daisy, Hybrid African daisy

Argyranthemum 'Yellow Australian'

Marguerite, Paris daisy

Arisaema amurense subsp. robustum

Robust cobra lily

Arisaema consanguineum

Cobra lily

Arisaema flavum

Yellow-flowered cobra lily, Owlface cobra lily

Arisaema ringens (ambig)

Ringed cobra lily, Gaping-mouth cobra lily

Armeria pseudarmeria 'Ballerina Purple'

False thrift, Estoril thrift

Aruncus dioicus 'Glasnevin'

Bride's feathers, Sylvan goat's beard

Asarum shuttleworthii

Southern mottled wild ginger, Little mottled brown jugs, Shuttleworth's ginger

Aster alpinus 'Pinkie'

Alpine aster, Blue alpine daisy

Aster amellus 'Blue King'

Italian star-wort, Perennial aster, European Michaelmas daisy, Italian aster

Aster amellus 'Kobold'

Italian star-wort, Perennial aster, European Michaelmas daisy, Italian aster

Aster subspicatus

Leafy bract aster, Douglas aster

Aster tongolensis 'Napsbury'

East Indies aster

Astilbe 'Beauty of Lisse'

False goatsbeard, False bucksbear, False spiraea

Astilbe 'Ellie'

False goatsbeard, False bucksbear, False spiraea

Astilbe 'Else Shluck'

Garden astilbe, False spiraea

Astilbe 'Europa' (japonica hybrid)

Japanese astilbe

Astilbe 'Koblenz'

Garden astilbe, False spiraea

Astilbe 'Koln'

Garden astilbe, False spiraea

Astilbe 'Salland'

Garden astilbe, False spiraea

Astilbe 'Straussenfeder' (thunbergii hybrid)

Thunberg's astilbe

Astilbe 'Zuster Theresa'

False goatsbeard, False bucksbear, False spiraea

Astilbe chinensis 'Intermezzo'

Chinese astilbe, False goatsbeard, False bucksbear, False spiraea

Astilbe chinensis 'Veronica Klose'

Chinese astilbe, False goatsbeard, False bucksbear, False spiraea

Astilbe japonica 'Catherine Gladstone'

False goatsbeard, False bucksbear, False spiraea

Astilbe simplicifolia 'White Sensation'

Star astilbe, Simple leaved astilbe

Astrantia 'Snow Star'

Masterwort

Aurinia saxatile 'Dudley Nevill Variegated'

Gold tuft, Golden alyssum

Begonia 'Nonstop Bright Pink'

Trailing begonia

Begonia 'Nonstop Pink'

Trailing begonia

Begonia 'Nonstop Rose'

Trailing begonia

Bromelia balansae 'Variegata'

Brunnera macrophylla 'Emerald Mist'

Siberian bugloss, Greater Forget me not, Heartleaf brunnera, Dwarf anchusa

Calamintha grandiflora

Large- flowered Calamint

Calibrachoa 'Carillon Burgundy'

Trailing petunia

Calibrachoa 'Carillon Lemon'

Trailing petunia

Calibrachoa 'Carillon Red'

Trailing petunia

Calibrachoa 'Carmine Red'

Trailing petunia

Calibrachoa 'Million Bells Bright Red'

Trailing petunia