- Perennials
- Eventual size : Large
- Flower colour : Purple
- Soil moisture : Dry/Sandy
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Special conditions
Ready made borders
Planting combinations
Flowering month
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Sowing month outside
Multibuy packs
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Plant Seasons
RHS Spring catalogue 2021
RHS Autumn catalogue 2021
Hardy
Ground cover
Position
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