- Perennials
- Flower colour : Purple
- Flowering month : August
- Ground cover : Yes
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Soil type
Special conditions
Ready made borders
Planting combinations
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Bulb planting time
Sowing month inside or protected
RHS Spring catalogue 2021
Hardy
Leaf colour
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Soil moisture
Kitchen garden planting guidelines
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