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Rhododendron stenopetalum

Rhododendron stenopetalum is a low shrub from southern Honshu and north-eastern Shikoku in Japan, with narrow leaves and pink or lavender-pink flowers. It is a cool-climate woodland shrub that needs acidic, humus-rich soil and shade from hot afternoon sun.

Family: Ericaceae (Heather family)
Grows as: Shrub
Light: Part shade
Water: Keep the soil evenly moist and never let it dry out, using rainwater or soft water where possible.
Soil: Acidic, well-drained, humus-rich soil or a peat-based ericaceous mix.
Temperature: 10–22 °C; tolerates cold winters but protect from prolonged frost in containers.
How easy: Moderate
Safety: Toxic: All parts contain grayanotoxins, which can cause vomiting, drooling, weakness and low blood pressure if eaten; honey made from the nectar can also be harmful.. Toxic to cats and dogs (ASPCA).
Native range: Japan (C. Honshu, NE. Shikoku)
Climate: temperate

About

Rhododendron stenopetalum is a rhododendron species native to southern Honshu and north-eastern Shikoku, Japan. It has been placed in subgenus Azaleastrum. It is a low shrub, with leaves that are 3–5 mm wide by 5 cm long. Its flowers are pink or lavender-pink.

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 stenopetalum 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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Know any plant.Grow it well.