- Perennials
- Collections : Plants for instant impact
- Flower colour : Purple
- Flowering month : June
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Soil type
Special conditions
Ready made borders
Planting combinations
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Sowing month outside
Plant Seasons
RHS Summer catalogue 2021
RHS Autumn catalogue 2021
Hardy
Position
Soil moisture
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