Grow guide
How to grow Hollyhock Nigra
Alcea rosea 'Nigra'
- Type
- Hollyhock
- Zones
- USDA zones 3–9
- Sun
- Full
- Time to harvest
- 300–365 days
- Spacing
- 18″ apart
- Density
- 1 per sq ft
- Habit
- Upright
- Frost tolerance
- Hardy
- Sowing
- direct/transplant
- Start indoors
- 6 weeks before last frost
Care
- Water Weekly
- Fertilize Biweekly
- Prune As needed
Notes
Near-black single flowers on 5-foot stems; tends to behave as a short-lived perennial; sow early summer for following-year bloom.
More hollyhock varieties
Grows well nearby
Track Hollyhock Nigra from seed to harvest with Evengrow.
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