Description Veronica austriaca subsp. teucrium ‘Royal Blue’ Speedwell. A compact, clump-forming perennial which has lance-shaped to linear, hairy, toothed, mid-green leaves. From June to October erect, terminal racemes of star-shaped, deep blue flowers are borne. Grow in loamy, moderately fertile, moist but well-drained soil in full sun or partial shade. It will reach a height and spread of 45cm.
