- Perennials
- Special conditions : Tolerate air pollution
- How much sun : Sun
- Flower colour : Purple
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Ready made borders
Planting combinations
Flowering month
Evergreen / deciduous
Attractive to wildlife
Quick growing
Eventual size
Sowing month inside or protected
Sowing month outside
Plant Seasons
RHS Autumn catalogue 2021
Hardy
Ground cover
Position
Soil moisture
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