Great rhododendron
Will it grow where I live?
Great rhododendron is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.
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Profile
- Family
- Ericaceae
- Habit
- Shrub
- Height
- 4 m
- Spread
- 3 m
- Growth
- slow
- Lifespan
- 100 years
- First yield
- after 5 years
- Hardiness
- zone 3–7
- Shade tolerance
- partial shade
- Soil
- Sand, Silt
- Soil moisture
- semi-dry – very moist
- pH
- 4 – 6
Flowering & harvest
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flowering |
Uses
Growing
Halbschattiger Standort auf feuchtem, humosem, saurem und gut durchlässigem Boden. Verträgt keinen Kalk und keine Staunässe; alle Pflanzenteile sind stark giftig.
⚠️ Hazards
Toxicity: highly toxic
Frequently asked questions
Great rhododendron: how big does it get?
Great rhododendron (Rhododendron maximum) grows as a Shrub and reaches roughly 4 m in height when mature, with a spread of about 3 m. Growth is slow.
Great rhododendron: what site does it need?
Great rhododendron tolerates partial shade. Suitable soils are Sand, Silt. Soil moisture should be in the range semi-dry – very moist. The pH may lie between 4 and 6.
Great rhododendron: is it hardy?
Great rhododendron is listed as hardy in zone 3–7 and survives normal winters outdoors there.
Great rhododendron: will it grow in Central Europe?
Great rhododendron is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.
Great rhododendron: when does it flower?
In a temperate northern-hemisphere climate it flowers from June to July.
Great rhododendron: is it poisonous?
Great rhododendron is classified as highly toxic. With wild plants, never rely on a database alone — only on a confident identification.
Great rhododendron: what is it used for?
Rated on a scale up to 10: Edible 1/10, Medicinal 2/10, Other uses 3/10.
Plan this plant into your own garden
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Community experience
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