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Cyanothamnus tenuis

Boronia tenuis

Cyanothamnus tenuis
Photo: MargaretRDonald, CC BY-SA 4.0

Cyanothamnus tenuis, blue boronia, is a slender Western Australian shrub in the citrus family with thread-like leaves and small pink-and-blue flowers. It is a wild native rather than a common garden plant, so its care is best matched to its native stony, well-drained habitat.

Family
Rutaceae (Citrus family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water sparingly once established, letting the soil dry between waterings, as it is adapted to dry summers.
Soil
Free-draining, sandy or gravelly soil, such as laterite-based mixes.
Temperature
10–28 °C; protect from hard frost.
How easy
Hard

About

Cyanothamnus tenuis, commonly known as blue boronia, is a species of plant in the citrus family, Rutaceae, and is endemic to the southwest of Western Australia. It is a slender shrub with thread-like, sessile leaves, and flowers with four petals that are white to pink on the front and pale blue on the back.

Where it grows

This species grows on laterite and granite in stony soils. It is found on the Darling Scarp between Dwellingup and Wannamal in the Jarrah Forest and Swan Coastal Plain biogeographic regions.

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 tenuis 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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