Dianella revoluta Coolvista

Dianella Coolvista

An attractive, blue-grey, grass-like plant from Australia, Dianella revoluta Coolvista is a clump-forming, evergreen, rhizomatous perennial forming a spiky mound of narrow, sword-like, grey-blue leaves. In May and June, tall stems carry starry blue flowers above the clump of leaves; these are sometimes followed by blue berries. This plant is only borderline hardy, but can be grown in ericaceous soil-based compost in a pot taken under cover for the winter; it makes a lovely centrepiece for lower-growing, bright flowers. Must have fairly rich, acid-to-neutral soil.

Site: Sheltered
Soil: Any fertile, well-drained, humus-rich, neutral to acid soil
Position: Full sun or partial shade
Season of interest: All year, midsummer in particular
Hardiness: Borderline hardy (to -5ºC)
Height: 20” (50cm) Spread: 1’ (30cm)
Type | Size: Pot | 2L
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