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Rhododendron glischrum

Rhododendron glischrum
Photo: Daderot, CC0

Rhododendron glischrum is a species of evergreen tree or large shrub from the Himalayan and southwest China mountains, grown mainly in mild, cool gardens. The key to growing it is cool, humid conditions and acidic, well-drained soil, since it comes from high altitude.

Family
Ericaceae (Heather family)
Grows as
Tree
Light
Part shade, Bright indirect
Water
Keep the root zone evenly moist, using rainwater if possible, and never let it dry out or sit waterlogged.
Soil
Acidic, humusy, well-drained woodland-type mix with good organic matter.
Temperature
10–20 °C; protect from frost and hot dry winds
How easy
Hard
Safety
Toxic: Leaves, nectar and flowers of rhododendrons contain grayanotoxins that can cause vomiting, dizziness and low blood pressure if eaten.. Toxic to cats and dogs (ASPCA).
Native range
S. Tibet to China (NW. Yunnan) and N. Myanmar
Climate
temperate

About

Rhododendron glischrum (粘毛杜鹃) is a species of flowering plant in the family Ericaceae. It is native to northeastern India, southern Tibet, Myanmar, and northwestern Yunnan, China, where it grows at altitudes of 2,400–3,600 m (7,900–11,800 ft). It is an evergreen tree that typically grows to 2.4–7 m (7.9–23.0 ft) in height, with leaves that are oblong to broadly oblanceolate and 14–22 × 4.6–6.5 cm in size. The flowers are pink with purple flecks and basal blotch.

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 glischrum 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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