Ericaceae
Rhododendron johnstoneanum
- Family
- Ericaceae
- Genus
- Rhododendron
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Synonyms
- Rhododendron formosum var. johnstoneanum G.Watt ex Brandis
Plant problems
Notches in rhododendron leaves: causes and fixesNotches in rhododendron leaves usually mean root weevils. Learn how to spot them, remove adults, and check for root damage.
Rhododendron leaves curling in cold weatherRhododendron leaves often curl naturally in cold weather. Learn how to spot normal winter rolling, prevent drying, and recognize damage.
Photos
Photo: John Rusk from Berkeley, CA, United States of America, CC BY 2.0, from Wikimedia Commons 
Photo: Daderot, CC0, from Wikimedia Commons 
Photo: Daderot, CC0, from Wikimedia Commons 
Photo: Daderot, CC0, from Wikimedia Commons 
Photo: Krzysztof Golik, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Golik, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Golik, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Daderot, CC0, from Wikimedia Commons 
Photo: Daderot, CC0, from Wikimedia Commons
More in Rhododendron
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- BuransRhododendron arboreumEricaceae
- Rhododendron luteumEricaceae
- Hairy alpenroseRhododendron hirsutumEricaceae
- Lapland rosebayRhododendron lapponicumEricaceae
- Rusty labrador-teaRhododendron groenlandicumEricaceae
- Rhododendron dauricumEricaceae
- JindallaeRhododendron mucronulatumEricaceae
- Rhododendron schlippenbachiiEricaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.