A good white form, in flower for weeks, from late spring to late summer.
Polemonium caerulum subsp. caeruleum f. album
Jacob's ladder
Details
| Aspect | Sun or part shade |
| Flower Colour | White |
| Flowering Period | May | Jun | Jul | Aug |
| 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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