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Cyanothamnus subsessilis

Boronia subsessilis

Cyanothamnus subsessilis
Photo: Tim Hammer, CC BY 3.0 au

Cyanothamnus subsessilis (formerly Boronia subsessilis) is a small, woody shrub of the citrus family native to south-west Western Australia, growing 10 to 40 cm tall with white and green-blue flowers from May to September. It is a wild species of rocky hills and sandy ground, rarely grown in gardens, so care depends on mimicking those dry, well-drained conditions.

Family
Rutaceae (Citrus family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established; let the soil dry out between waterings.
Soil
Sandy or gritty, very well-drained soil; avoid heavy clay.
Temperature
10–25 °C; protect from hard frost.
How easy
Hard

About

Cyanothamnus subsessilis is a species of plant in the citrus family, Rutaceae and is endemic to the south-west of Western Australia. It is a woody, mostly glabrous shrub with simple leaves and flowers with four petals that are white on the front and green to blue on the back.

Where it grows

Cyanothamnus subsessilis grows on rocky hills and in sand between Toodyay, Denmark and Ravensthorpe.

Other Cyanothamnus plants

Cyanothamnus acanthocladus · Cyanothamnus baeckeaceus · Cyanothamnus bipinnatus · Cyanothamnus bussellianus · Cyanothamnus coerulescens · Cyanothamnus defoliatus · Cyanothamnus fabianoides · Cyanothamnus inconspicuus · Cyanothamnus inflexus · Cyanothamnus nanus · Cyanothamnus occidentalis · Cyanothamnus penicillatus

Text excerpted from the Wikipedia article Cyanothamnus subsessilis 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.

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