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Rhododendron Wikimedia Commons
Ericaceae

Rhododendron

Rhododendron

Caution, danger, beware, but also abundance.

Family
Ericaceae
Genus
Rhododendron
Native to
Asia, North America, Europe, Australia
Bloom season
Spring, Early Summer
Type
evergreen or deciduous shrub
Height
30 cm – 30 m
Sunlight
Partial shade
Soil
Acidic, moist, well-drained, humus-rich
Water
Regular
Hardiness
4–9
Lifespan
Perennial; some live over 1,000 years

Did you know

  • Rhododendron is one of the largest plant genera, with over 1,000 species — and azaleas are technically rhododendrons.
  • Rhododendron is the national flower of Nepal, where forests of tree-sized rhododendrons bloom on Himalayan slopes.
  • Some species of rhododendron contain grayanotoxin — 'mad honey' from rhododendron nectar has been used both medicinally and as a poison since ancient times.
  • The largest rhododendron in the world, in Lake Eacham, Australia, is over 30 meters tall.
  • Rhododendrons evolved alongside their bee pollinators and rely on specialized buzz pollination.

Uses

  • Ornamental
  • Honey (with caution)
  • Traditional medicine