Alcea 'Nigra' Facts Light Exposure: Full Sun/Partial Shade Mature Plant Size: 5' ^ 3' > Bloom Time: Summer Hardiness Zones: 3 - 9 Soil( pH/Type): 5.5 - 7.5/Well-drained
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Growing Tips
- Keep overhead irrigation to a minimum to
ward off fungal outbreaks.
- Cut spent flowering stalks back to the
basal rosette of leaves.
- Spread compost around plants in fall.
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