By A Mystery Man Writer
This striking alcea (hollyhock) is a classic cottage garden favourite with towering stems bearing deep purple, almost black, single flowers from early to late summer. Wonderful for lining pathways, fences and gate entrances. Grow in moist, well-drained soil in sun.
Alcea rosea 'Nigra', Alcea rosea 'Single Black
Alcea rosea Nigra 4in Hollyhocks – Cornell Farm
Alcea rosea 'Nigra' (Hollyhock)
Alcea rosea var. nigra, Arabian Nights, Jet Black
Black Hollyhock Seeds - alcea rosea nigra – Julie Sinden Handmade & The Love of Colour
Encyclopedia of Plants and flowers - Flip eBook Pages 501-550
Alcea rosea 'Nigra' BBC Gardeners World Magazine
Alcea rosea Nigra flower plants from Woolmans
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Hollyhock 'Nigra' seeds
Alcea rosea Nigra 4in Hollyhocks – Cornell Farm
Alcea rosea 'Nigra' (Hollyhock)
Alcea rosea var. Nigra – Peak Cottage Plants