Alcea rosea 'Blacknight' (Hollyhocks)
Alcea rosea 'Blacknight' (Hollyhocks)
Growth stage:Pre-Order
Full Sun
Pollinator Friendly
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Zone 3Bloom July to AugustHeight 180 cm (71 in)Spread 60 cm (24 in)Flowers Purple
Deep black-purple flowers with a pale yellow eye open on a vigorous, upright plant in July and August. An improved strain of hollyhock, it is more disease resistant than most. Plant it in full sun. The flowers draw bees and butterflies, and the broad foliage forms a base for the tall flower spikes through the summer.
Plant Details
- Hardiness Zone: 3
- Bloom Time: July to August
- Height: 180 cm (71 in)
- Spread: 60 cm (24 in)
- Light: Full Sun
- Features: Pollinator Friendly
