Night Watchman Black Hollyhock, packet of 25 seeds
A flower of historical significance, Thomas Jefferson grew black hollyhocks in his garden at Monticello as far back as 1782.
Night Watchman Black Hollyhocks are as close to black as a flower can be but, upon closer inspection, they are a deep dark burgundy. A true perennial hollyhock that grows 5 to 6 feet tall and blooms from late spring to early fall. Hardy in zones 3 - 8.
Botanical Name: Alcea rosea
Native: Origin unknown
Hardiness: Biennial, hardy in USDA zones 3–8
Plant Dimensions: 5'–6' tall
Variety Information: 2"–4", deep burgundy (almost black) flowers
Exposure: Full sun
Bloom Period: Summer
Attributes: Attracts Pollinators, Fairly Drought Tolerant, Edible Flower
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date, or 2 months before your average first fall frost date.
When to Start Inside: 6 to 8 weeks before your average last frost date. Roots are sensitive to disturbance; sow in biodegradable pots that can be planted in the ground.
Days to Emerge: 10–14 days
Seed Depth: Press into surface
Seed Spacing: A group of 3 seeds every 24"–36"
Thinning: When 3" tall, thin to 1 every 24"–36"