A compact, clump-forming perennial to around 20cm high, with upright stems and small, oval-shaped dark green leaves. Upright, tubular, deep blue flowers are produced in late summer and early autumn
0.1-0.5 metres
0.1-0.5 metres
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
Grow in reliably moist but well-drained, humus-rich, acid or neutral soil. Site in sun where summers are cool and damp; in areas with warm, dry summers these plants are best grown in light or partial shade
Propagate by division in spring
No pruning required
May be susceptible to slugs and snails, and to aphids and red spider mite when grown under glass
May be susceptible to a rust, and to stem rot caused by soil fungus