- Perennials
- Eventual size : Medium
- Flowering month : July
- Leaf colour : Blue
- Soil moisture : Normal
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Soil type
Special conditions
Ready made borders
Planting combinations
Flower colour
Evergreen / deciduous
Attractive to wildlife
Quick growing
Bulb planting time
Sowing month inside or protected
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RHS Spring catalogue 2021
RHS Summer catalogue 2021
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