By A Mystery Man Writer
Plant profile of Alcea rosea 'Blacknight' from BBC Gardeners' World Magazine.
BBC Gardeners World updated their - BBC Gardeners World
Alcea rosea 'Blacknight' (Hollyhock)
BBC Gardeners' World Live: bringing garden ideas to life
Alcea rosea 'Blacknight' (Spotlight Series), Hollyhock 'Blacknight' in GardenTags plant encyclopedia
Alcea rosea 'Blacknight' (Hollyhock)
Choose plants - BBC Gardeners World Magazine
Alcea rosea 'Nigra'hollyhock 'Nigra'/RHS Gardening
BBC - Gardening: Plant Finder - Hollyhock
BBC Gardeners' World Magazine November 2022 [LG22] by Immediate Media Company London Ltd. - Issuu
Rose Black Caviar - named after the famous Australian racehorse.