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Prostanthera petrophila

Prostanthera petrophila
Photo: Unknown author, CC BY 2.0

Prostanthera petrophila is a spreading, densely hairy-branched mintbush native to rocky, laterite and rock-crevice habitats in arid Western Australia. It is best grown in full sun with excellent drainage and little water once established.

Family
Lamiaceae (Mint family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established and let the soil dry out between waterings; overwatering rots the roots.
Soil
Free-draining, gritty or sandy soil; tolerates poor, stony ground.
Temperature
Tolerates hot, dry conditions and mild frosts; protect from prolonged frost.
How easy
Moderate
Native range
Western Australia (Austin)
Climate
desert or dry shrubland

About

Prostanthera petrophila is a species of flowering plant in the family Lamiaceae and is endemic to Western Australia. It is a spreading shrub with densely hairy branches, narrow egg-shaped leaves with the narrower end towards the base and white flowers with violet striations in the petal tube.

Where it grows

This mintbush grows on laterite and in rock crevices in the Murchison and Yalgoo biogeographic regions of Western Australia.

Other Prostanthera plants

Prostanthera albiflora · Prostanthera albohirta · Prostanthera althoferi · Sand Mintbush · Prostanthera arapilensis · Tranquility Mintbush · Scarlet Mintbush · Prostanthera athertoniana · Prostanthera baxteri · Downy Mintbush · Lilac Mint Bush · Limestone Mintbush

Text excerpted from the Wikipedia article Prostanthera petrophila 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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