Source: Wikimedia Commons
Rhododendron
IntermediateEvergreen shrub with gorgeous flowers. Large flower clusters color spring. Alpine varieties prefer cool conditions, requiring some experience. Post-bloom care is crucial.
About
Rhododendron, from Ancient Greek ῥόδον (rhódon), meaning "rose", and δένδρον (déndron), meaning "tree", is a very large genus of about 1,024 species of woody plants in the heath family (Ericaceae). They can be either evergreen or deciduous. Most species are native to eastern Asia and the Himalayan region, but smaller numbers occur elsewhere in Asia, and in North America, Europe and Australia.
Source: Wikipedia (CC BY-SA 4.0)
Basic Info
Origin
East Asia (Himalayan region to Japan)
Lifespan
50+ years (as bonsai)
Size
15-60cm (bonsai size)
Temperature
-5〜35℃
Watering & Fertilizer
Fertilizer (regular)
Growing Tips
Placement
Semi-shade is ideal. Avoid direct summer sun and heat
Watering
Prefers acidic conditions. Never let dry, maintain moisture
Styling
Prune immediately after flowering. Emphasize natural form
Notes
Use acidic kanuma soil mix. Fine roots require careful repotting
Rhododendron FAQ
QWhat is the growing difficulty level for Rhododendron?
Intermediate. A variety suitable for intermediate growers. Requires some cultivation experience and knowledge of environment management. Pay careful attention to temperature and humidity control.
QWhat is the ideal temperature for Rhododendron?
The ideal temperature for Rhododendron is -5〜35℃. Avoid sudden temperature changes and maintain a stable environment.
QWhat is the lifespan of Rhododendron?
The average lifespan of Rhododendron is 50+ years (as bonsai). With proper cultivation environment and nutrient management, you can keep it healthy for a long time.
QHow large does Rhododendron get?
The mature size of Rhododendron is 15-60cm (bonsai size). This may vary slightly depending on cultivation environment and individual differences.
QHow should I water and fertilize Rhododendron?
Rhododendron: watering & fertilizer — Fertilizer (regular). Aim for appropriate frequency and amount.
QWhat is the typical price for Rhododendron?
The price of Rhododendron varies significantly by variety, characteristics, size, and lineage. Please check ボタちょく's price guide for the latest market information.
Last updated: June 23, 2026
References & Sources
Edited & verified by: BoTachoku Editorial Team
The classifications, regulations, and growing data on this page are created and verified based on the primary information database below.
Primary sources
Regulations & Conservation Status
Sources: CITES Checklist of CITES Species
Regulations may change. Always verify the latest information with the relevant authorities.
Related Species
Find listings for this species
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