Jacob's Ladder (Polemonium)

Black Walnut Trees Are Not Your EnemyBlack Walnut Trees Are Not Your Enemy
December 26, 2014

Trees are valuable and beautiful assets to the environment and to any landscape, and black walnut trees are no exception. They are lovely trees that provide delicious and nutritious nuts and one of the most valuable hardwoods. They are allelopathic, however, and many gardeners avoid them or get rid of them.

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Posted by Marilyn (Northern KY - Zone 6a) on Apr 28, 2013 1:26 AM

Taken from wikipedia's page at: http://en.wikipedia.org/wiki/P...

"Polemonium, commonly called Jacob's ladder, is a genus of about 30 species of flowering plants in the family Polemoniaceae, native to cool temperate to arctic regions of the Northern Hemisphere and also in the southern Andes in South America. Many of the species grow at high altitudes in mountains.

They are perennial plants (rarely annual plants) growing 10–120 cm tall with bright green leaves divided into lance-shaped leaflets, and produce blue (rarely white or pink) flowers in the spring and summer.

Polemonium species are used as food plants by the larvae of some Lepidoptera species including Coleophora polemoniella."

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