- Perennials
- Soil type : Heavy clay
- Flower colour : Purple
- Quick growing : Quite
- Attractive to wildlife : Attractive to pollinators
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Special conditions
Ready made borders
Planting combinations
Offers
Flowering month
Evergreen / deciduous
Fragrance
Eventual size
Sowing month inside or protected
Sowing month outside
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Plant Seasons
RHS Spring catalogue 2021
RHS Summer catalogue 2021
RHS Autumn catalogue 2021
Hardy
Leaf colour
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Soil moisture
Kitchen garden planting guidelines