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Rhododendron keiskei

Rhododendron keiskei
Photo: peganum, CC BY-SA 2.0

Rhododendron keiskei is a low, spreading evergreen shrub from Japan, reaching about 60 cm tall and 1.85 m wide, with pale yellow spring flowers. It does best in a sheltered, partly shaded spot with moist, acidic soil.

Family
Ericaceae (Heather family)
Grows as
Shrub
Light
Part shade
Water
Keep the soil consistently moist, especially in dry weather, but never waterlogged.
Soil
Moist, well-drained, acidic, humus-rich soil or ericaceous potting mix.
Temperature
Hardy in cool temperate conditions; protect from harsh winter cold and hot, dry wind.
How easy
Moderate
Safety
Toxic: All parts of rhododendrons contain grayanotoxins, which can cause nausea, vomiting, low blood pressure and heart rhythm problems if eaten.. Toxic to cats and dogs (ASPCA).
Native range
SC. & S. Japan
Climate
temperate

About

Rhododendron keiskei is a species of flowering plant in the heath family Ericaceae, native to Honshu, Kyushu and Shikoku in Japan.

It is a low-growing, spreading evergreen shrub, reaching only 60 cm (24 in) tall by 1.85 m (6.1 ft) broad when mature. The leaves are elliptic in shape, and the pale yellow flowers, each with ten prominent stamens, are abundantly produced in spring.

How to grow it

The slow-growing cultivar R. keiskei var. ozawae 'Yaku Fairy' has gained the Royal Horticultural Society's Award of Garden Merit.

This plant is best cultivated in a sheltered spot with moist acidic soil, in a partially shaded woodland setting.

Other Rhododendron plants

Rhododendron album · Rhododendron anthopogon · Rhododendron argyrophyllum · Rhododendron augustinii · Rhododendron bureavii · Rhododendron calophytum · Rhododendron calostrotum · Bell Flowered Rhododendron · Bent-style rhododendron · Rhodora · Catawba rosebay · Georgian Snow Rose

Text excerpted from the Wikipedia article Rhododendron keiskei 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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