Blue Woodruff (Asperula orientalis): Annual with Blue Flowers

Overview

Blue woodruff (Asperula orientalis), also called Asperula azurea, is a charming annual with whorls of narrow leaves and clusters of small, bright blue flowers. It self-seeds readily in favorable conditions.

Botanical Details

Garden Uses

Sow directly in spring. Prefers cool weather and well-drained soil. Good for cottage gardens, borders, and naturalizing. Combines well with other blue-flowered annuals. Light fragrance.