- Perennials
- Flowering month : August
- Quick growing : Quite
- Leaf colour : Blue
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Soil type
Special conditions
Ready made borders
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Flower colour
Evergreen / deciduous
Attractive to wildlife
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Bulb planting time
Sowing month inside or protected
Multibuy packs
Plant Seasons
RHS Spring catalogue 2021
RHS Summer catalogue 2021
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