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Rhododendron sanguineum

Rhododendron sanguineum
Photo: Daderot, CC0

Rhododendron sanguineum is a small, red-flowered dwarf shrub from high-altitude slopes in southeast Xizang and northwest Yunnan, China. It needs cool conditions, good drainage and acidic soil, so it suits gardens with a cool climate.

Family
Ericaceae (Heather family)
Grows as
Shrub
Light
Part shade
Water
Keep the soil evenly moist but never waterlogged, using rainwater or soft water where possible.
Soil
Acidic, humus-rich, free-draining soil or a lime-free ericaceous mix.
Temperature
Cool conditions suit it best; protect from heat above about 25 °C and from hard frost below -15 °C.
How easy
Moderate
Safety
Toxic: All parts contain grayanotoxins, which can cause nausea, vomiting, drooling and low blood pressure if eaten.. Toxic to cats and dogs (ASPCA).
Native range
Arunachal Pradesh to China (NW. Yunnan) and NE. Myanmar
Climate
subalpine or subarctic

About

Rhododendron sanguineum (血红杜鹃) is a rhododendron species native to southeast Xizang and northwest Yunnan, China, where it grows at altitudes of 2,800–4,300 m (9,200–14,100 ft). It is a dwarf shrub that typically grows to 30–150 cm (12–59 in) in height, with leathery leaves that are obovate, widely elliptic to narrowly oblong in shape, and 3.8–8 × 1.8–3 cm in size. Flowers are red.

Other Rhododendron plants

Rhododendron aberconwayi · Sagan Dalya · Rhododendron adenogynum · Rhododendron adenosum · Rhododendron aganniphum · Cascade azalea · Rhododendron albrechtii · Rhododendron album · Rhododendron alutaceum · Rhododendron annae · Rhododendron anthopogon · Rhododendron araiophyllum

Text excerpted from the Wikipedia article Rhododendron sanguineum 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.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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