Marian Boswall, landscape architect and co-founder of the Sustainable Landscape Foundation

AGASTACHE

‘BLACK ADDER’

‘A member of the hyssop family, this dark, giant cultivar is the most hardy and has edible flowers that go on for months and are always covered in bees. Resistant to drought and also happy in clay, it makes a great vertical accent.’

ROSA

‘DUNWICH ROSE’

‘This shrub rose looks just as at home in a wild garden as it does in a more polite setting. Single, creamy flowers are stunningly simple and a perfect landing spot for pollinators. In the autumn, dark-blue hips provide a real talking point and food for birds.’

SELINUM WALLICHIANUM

‘With masses of starry parsley heads above pretty, fern-like, cut leaves, this is a delightful froth of bee fodder for any border. Its red stems look wonderful with Sanguisorba ‘Tanna’ bobbing through. It is a medicinal plant in the permaculture garden.’