Perennial
Polemonium caeruleum - Polemonium, Greek valerian, Charity
Herb or Wildflower of the garden. Blue flowered border plant. Flowers June to July a herb with medicinal properties, no culinary use is known. Used in the treatment of headaches, fevers and epilepsy. Sow seed in spring in a cold frame. Position in full sun to partial shade in moist soil, prefers alkaline soils.

General Sowing information: Herb seeds can be sown from early spring onwards, when the ground has warmed up they can be direct sown. All herbs come complete with germination instructions.