Held well above clumps of fresh green divided foliage are an endless succession of sky-blue small open bells, orange centred. Charming, especially in a cool situation, early to midsummer.
Polemonium caeruleum
Jacob's ladder
Details
| Aspect | Sun or part shade |
| Flower Colour | Blue |
| Flowering Period | Jun | Jul |
| Foliage | Not evergreen |
| Goes Well With | Ferns, grasses, Hosta |
| Growth Habit | Clump-forming |
| Hardiness | Fully hardy |
| Height | 60cm |
| Soil | Most types |
| Spread | 30cm |
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