- Perennials
- Quick growing : Yes
- Special features : Long flowering
- Flower colour : Purple
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Soil type
Special conditions
Ready made borders
Planting combinations
Flowering month
Evergreen / deciduous
Fragrance
Attractive to wildlife
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Sowing month inside or protected
Sowing month outside
Plant Seasons
RHS Summer catalogue 2021
Hardy
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Ground cover
Position
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