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Winged Boronia

Boronia alata

Winged Boronia
Photo: Geoff Derrin, CC BY-SA 4.0

Winged boronia is an erect, branching evergreen shrub from southwest Australia, grown for its pink or white star-shaped spring flowers. It does best in shade, in well-drained sandy soil kept cool and moist with mulch.

Family
Rutaceae (Citrus family)
Grows as
Shrub
Light
Part shade, Shade
Water
Keep the root zone evenly moist but never waterlogged, and water more in hot, dry weather.
Soil
Well-drained, sandy, acidic mix with deep mulch to keep roots cool and moist.
Temperature
10–25 °C; protect from frost and sustained heat above 30 °C.
How easy
Moderate
Native range
SW. Australia
Climate
subtropical

About

Boronia alata, also known as winged boronia, is a flowering shrub. It is an endemic species of Southwest Australia which has been introduced elsewhere as a cultivated plant.

How to grow it

Boronia alata is cultivated as an ornamental plant. It is able to be propagated from cuttings. As with most boronias, a heavily shaded situation is preferred for this species. The persistent flowers first appear in the austral spring, in a boronia form that is more open and 'star shaped' than concave or cupped; these are usually pink or infrequently white in colour. The native conditions can be simulated by providing well drained sand, with deep mulch or sandstone sheets that maintain available moisture and protect roots from higher temperature. The species was introduced to English gardens in 1824 as a small evergreen greenhouse specimen, flowering from May to July. The scent of the flowers is slightly fragrant. The vigour of its rootstock was recommended for grafting with Boronia pinnata for English enthusiasts.

Where it grows

The shrub occurs in Southwest Australia, with most records located at coastal areas. The disjunct records are from Esperance Plains, Jarrah Forest, Swan Coastal Plain and Warren biogeographic regions. The habitat is dense vegetation on sand at dunes and limestone cliffs.

Other Boronia plants

Lemon Scented Boronia · Mount Imlay Boronia

Text excerpted from the Wikipedia article Boronia alata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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