Round-leaved mintbush is a compact, aromatic native shrub from south-eastern Australia, grown for its purple to pink spring flowers and fragrant foliage. It is valued in gardens, and the species and the cultivar 'Rosea' hold the RHS Award of Garden Merit.
Family
Lamiaceae (Mint family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water regularly while establishing, then allow the top of the soil to dry between waterings; it tolerates dry spells once established.
Soil
Free-draining, sandy or loamy soil; tolerates poor, rocky soils.
Temperature
10–30 °C; tolerates light frost once established.
How easy
Easy
Native range
SE. Australia
Climate
subtropical
About
Prostanthera rotundifolia, commonly known as round-leaved mintbush or round-leaf mint-bush is a species of flowering plant in the mint family Lamiaceae, and is endemic to south-eastern Australia. It is an erect shrub with aromatic branches covered with short hairs and glands, egg-shaped to more or less round leaves and purple to mauve or pinkish flowers on the ends of branchlets.
How to grow it
In cultivation the species and the cultivar ‘Rosea’ have gained the Royal Horticultural Society's Award of Garden Merit.
Where it grows
Round-leaved mintbush is widespread and locally common in woodland, forest and rainforest margins, often in rocky places in the eastern half of New South Wales and the southern half of Victoria. It also occurs in northern and eastern Tasmania but where it is less common and is listed as "vulnerable" under the Tasmanian Government Threatened Species Protection Act 1995.
Text excerpted from the Wikipedia article Prostanthera rotundifolia 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.