
Greek valerian
A sky-blue flower that is widely cultivate for its ladder-like, bright-green foliage!
Polemonium caeruleum (Greek valerian) native to northern and central Europe, this cup-shaped, deep blue flowers with contrasting yellow stamens appear in loose, drooping, clusters blooms in spring. It performs best in cool summer climates. Odd-pinnate compound bright green leaves appear ladder-like, hence the common name. The flowers attract bees and pollinators.
The plant was used as a medicinal herb in ancient Greece. The ancient Greeks used the root to treat dysentery, toothaches, and animal bites. The plant was also found in a few European pharmacies during the nineteenth century and was used as an antisyphilitic agent and to treat rabies.
Botanical Name | Polemonium caeruleum |
Common Name | Greek valerian |
Family | Polemoniaceae |
USDA Zone | 4 thru 8 |
Light Requirement | Part Shade to Full Shade |
Season(s) of interest | spring |
Height and Spread | 1.5-2ft x 1.5-2ft (45-60cm x 45-60cm) |
Flower Color | Deep Blue |
Attracts Wildlife | Attracts Pollinators, Rarely Browsed by Mammalian Herbivores |
Additional Information | Not Native to the US Midwest. Native to northern and central Europe, northern Asia. Also Known as Jacob’s ladder. |
Location in Lurie Garden | North Dark Plate, Southeast Dark Plate |
Average Flowering Time
