- Perennials
- How much sun : Sun
- Flowering month : July
- Ground cover : No
- Leaf colour : Blue
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Special conditions
Ready made borders
Planting combinations
Flower colour
Evergreen / deciduous
Attractive to wildlife
Quick growing
Eventual size
Sowing month inside or protected
RHS Spring catalogue 2021
RHS Summer catalogue 2021
Position
Soil moisture
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