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Alcea rosea 'Blacknight'
Hollyhock
- Summary
- Additional Details
- » Deep black-purple, single flowers on tall stalks
- » Cultivar is truly perennial—not biennial!!
- Height
- 4 - 6 ft
- Spread
- 10 - 12 in
- Zone
- 4 - 9
- Categories
- Perennial
- Tags
- Attracts Butterflies; Attracts Humming-birds; Cut Flower/Foliage; Long Blooming; Mass Planting; Full Sun