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Rhododendron (Rhododendron)

Source: Wikimedia Commons

Rhododendron

Intermediate

Rhododendron

Evergreen shrub with gorgeous flowers. Large flower clusters color spring. Alpine varieties prefer cool conditions, requiring some experience. Post-bloom care is crucial.

Growing Difficulty
Intermediate
Temperature
-5〜35℃
Lifespan
50+ years (as bonsai)
Size
15-60cm (bonsai size)
Watering
Fertilizer (regular)

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)

Lifespan of the Rhododendron

The Rhododendron lives 50+ years (as bonsai).

Size of the Rhododendron

The Rhododendron grows to 15-60cm (bonsai size).

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

IntermediateFloweringLarge bloomsAcidic soil

Rhododendron FAQ

QWhat is the growing difficulty level for Rhododendron?
A

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 lifespan of Rhododendron?
A

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?
A

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?
A

Rhododendron: watering & fertilizer — Fertilizer (regular). Aim for appropriate frequency and amount.

QWhat is the typical price for Rhododendron?
A

The price of Rhododendron varies significantly by variety, characteristics, size, and lineage. Please check GrowerDirect's price guide for the latest market information.

Last updated: June 23, 2026

References & Sources

Edited & verified by: GrowerDirect 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

Not CITES-listed

Sources: CITES Checklist of CITES Species

Regulations may change. Always verify the latest information with the relevant authorities.

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