We have found 617 plants that meet your criteria.

African lily
Agapanthus 'White Heaven' (PBR) African lily Elegant and classy summer perennial £12.99 Buy
African lily
Agapanthus 'White Heaven' (PBR) African lily Elegant and classy summer perennial £7.99 Buy
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African lily
Agapanthus 'Windsor Grey' African lily Steely-coloured summer blooms £6.99 Buy
African lily
Agapanthus 'Windsor Grey' African lily Steely-coloured summer blooms £12.99 Buy
hollyhock
Alcea rosea annua 'Spring Celebrities White' hollyhock A compact, white flowering hollyhock £2.99 Buy
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ornamental onion
Allium atropurpureum ornamental onion A smashing new introduction NOW £5.99 Buy
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round-headed leek
Allium sphaerocephalon round-headed leek Small, wine-coloured flowers on tall stems NOW £5.99 Buy
bishop's weed
Ammi majus bishop's weed A billowing, non-invasive cow parsley £2.49 Buy
bishop's weed
Ammi visnaga 'Green Mist' bishop's weed Wonderfully etheral in the border £2.99 Buy
Arkansas blue star
Amsonia hubrichtii Arkansas blue star Colourful summer flowers and autumn foliage £6.99 Buy
Amsonia
Amsonia orientalis Amsonia Grey-blue, star-like flowers £7.99 Buy
alkanet
Anchusa azurea 'Dropmore' alkanet Vibrant blue, edible flowers £2.49 Buy
alkanet
Anchusa azurea 'Loddon Royalist' alkanet Intense blue flowers in early summer £7.99 Buy
Japanese anemone
Anemone × hybrida 'September Charm' Japanese anemone Reliable rosy-pink flowers £7.99 Buy
windflower
Anemone hupehensis 'Hadspen Abundance' windflower Masses of deep pink flowers in late summer £7.99 Buy
golden marguerite
Anthemis tinctoria 'E.C. Buxton' golden marguerite Cheerful, lemon-yellow daisy-like flowers £7.99 Buy
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cow parsley
Anthriscus sylvestris 'Ravenswing' cow parsley Lacy purple foliage with a sprinkling of white flowers NOW £9.99 Buy
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snapdragon
Antirrhinum majus 'Admiral White' snapdragon Elegant in the summer border £2.49 Buy
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columbine
Aquilegia vulgaris columbine Looks good in most settings £2.99 Buy
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granny's bonnet
Aquilegia vulgaris var. stellata 'Black Barlow' granny's bonnet Sumptuous dark purple, double... £4.99 Buy