- Perennials
- Soil type : Heavy clay
- Flower colour : Blue
- Flowering month : August
- Leaf colour : Blue
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Special conditions
Ready made borders
Planting combinations
Attractive to wildlife
Eventual size
Bulb planting time
Multibuy packs
Plant Seasons
RHS Spring catalogue 2021
RHS Summer catalogue 2021
Ground cover
Position
Soil moisture
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