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|
|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|