Alcea rosea Nigra
Alcea rosea 'Nigra' has a color so dark, so deep, it appears black. With 4 inch saucer shaped blooms, 'Nigra' reaches a height of 6-8 feet. Grown as a biennial or perennial, hollyhocks need full sun and rich, moist soil. Thomas Jefferson had a fondness for this antique variety, as this was chosen to grace his garden at Monticello. Hardy in zones 3-10 Pkt.50
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Sow in moist potting mix anytime during 2 months before first fall frost, barely covering seed. Keep at 68-72 F. and bright light. Transplant to 3 inch pots when 2 sets of leaves appear. Germinates in 10-14 days.