Polemonium caeruleum (Jacob's Ladder or Greek Valerian)
Botanical Information
| Family | Polemoniaceae |
| Genus | Polemonium |
| Species | caeruleum |
| Category | Perennials |
| Origin | Native to Europe, in temperate regions. |
Details
| USDA Hardiness Zone | 3-7 |
| USDA Hardiness Ref. | |
| Canada Hardiness Ref. | |
| RHS Hardiness Ref. | |
| Height | 45 -60 cm |
| Spread | 45 -60 cm |
| Growth | Fast |
| Flowering Period | July |
Description and Growing Information
| Notable Specimens | The A. M. (Mac) Cuddy Gardens, Strathroy, Ontario, Canada. |
| Habitat | Can be found in damp grasslands, meadows, woodlands and rocky areas in Europe. |