- Soil type : Normal
- Collections : 9cm perennials
- Sowing month outside : April
- Flower colour : Purple
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Special conditions
Ready made borders
Planting combinations
Flowering month
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Sowing month inside or protected
RHS Autumn catalogue 2021
Hardy
Leaf colour
Ground cover
Position
Soil moisture
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