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Great Rhododendron Wikimedia Commons
Ericaceae

Great Rhododendron

Rhododendron maximum

caution.

Family
Ericaceae
Genus
Rhododendron
Native to
Eastern North America
Bloom season
Summer
Type
evergreen shrub
Height
10-25 feet
Sunlight
partial shade to full shade
Soil
acidic, moist, well-drained
Water
moderate
Hardiness
4-8
Lifespan
perennial

Did you know

  • Great rhododendron is the state flower of West Virginia and can form impenetrable thickets called 'rhododendron hells.'
  • The leaves curl and droop in cold weather as a survival mechanism to reduce water loss.
  • All parts of the rhododendron are toxic, and honey made from its nectar can cause 'mad honey' poisoning.
  • Some great rhododendron specimens in the Appalachian Mountains are estimated to be over 100 years old.
  • The genus name Rhododendron comes from Greek words meaning 'rose tree.'

Color meanings

0

danger

1

beware

2

elegance

Uses

  • ornamental
  • landscaping
  • erosion control
  • shade garden