Self-seeding biennial grows to 6 feet tall
Deep red flowers look almost black
Good for landscaping and ornamental gardens
(Alcea rosea) This single hollyhock was described in 1629 by English botanist John Parkinson as being ??of a darke red like blackblood.?? It appears black on overcast days, but will have a hint of red in bright sun. Plant next to a white fence for a spectacular contrast. Self-seeding biennial, 5-6′ tall.