- Perennials
- Quick growing : Quite
- Flower colour : Blue
- Flowering month : May
- Hardy : Yes
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Soil type
Special conditions
Evergreen / deciduous
Fragrance
Attractive to wildlife
Eventual size
Depth of water
Ready made borders
Planting combinations
Plant Seasons
RHS Spring catalogue 2021
RHS Summer catalogue 2021
Leaf colour
Ground cover
Position
Soil moisture
