Alcea rosea 'Blacknight

Deep black-purple, single flowers are produced on tall, sturdy stalks in midsummer.

Alcea rosea 'Blacknight

Alcea rosea 'Radiant Rose

CHUXAY GARDEN Alcea Rosea Seed 'Blacknight' 50 Seeds Rare Black Hollyhock High Yield Flourishing Extremely Decorative Grows in Garden : Patio, Lawn & Garden

Alcea rosea 'Blacknight' (Hollyhock)

Alcea rosea 'Black Knight' : Grows on You Hardy hibiscus, Flowers nature, Blackest knight

10 Purple Hollyhock Varieties With Names and Pictures

Alcea rosea 'Blacknight

Alcea rosea - Wikipedia

Alcea rosea 'Blacknight' BBC Gardeners World Magazine

Plant Profile for Alcea rosea 'Summer Carnival' mixture - Double Hollyhock Perennial

Alcea rosea 'BlackNight' shipped from Grower to your door

Growing Hollyhocks: Planting & Caring for Hollyhock Flowers