Polemonium caeruleum Jacob’s Ladder Blue

jacobs ladder blue-003Jacob’s Ladder (Blue) Polemonium caeruleum, or Greek valerian, is an easy and hardy perennial. The foliage is fern-like. In Calgary it blooms in late May or early June. It is a naturalizer as it self seeds and is easily divided. It prefers the shade but will grow in the sun. Zone 2-9

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One Response to “Polemonium caeruleum Jacob’s Ladder Blue”


  1. […] Jacob’s Ladder Blue […]


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