General Plant Information (Edit)
Plant Habit: Shrub
Tree
Life cycle: Perennial
Sun Requirements: Partial or Dappled Shade
Water Preferences: Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Plant Height: 4 to 15 feet but may attain heights to 50 feet in optimum conditions
Leaves: Evergreen
Broadleaf
Other: Leaves to 1 foot in lenght, glossy green above, grayish-white, pubescent reverse
Flowers: Showy
Flower Color: White
Yellow
Other: Creamy-white to lemon-yellow with a purple blotch in the throat
Bloom Size: 2"-3"
Flower Time: Spring
Late spring or early summer
Uses: Cut Flower
Wildlife Attractant: Bees
Propagation: Seeds: Days to germinate: Germination usually occurs within 2 to 3 months but may take up to a year
Depth to plant seed: Surface sow
Propagation: Other methods: Cuttings: Tip
Layering
Other: Tissue Culture
Awards and Recognitions: RHS AGM

Image
Common names
  • Rhododendron

Photo Gallery
Location: Invercargill, New Zealand
Date: 2023-10-24
Macabeanum does a Mexican wave.
Location: Howick Hall gardens, Northumberland, England UK 
Date: 2021-04-14
Rhododendron macabeanum
Location: Invercargill, New Zealand
Date: 2023-10-20
Location: Howick Hall gardens, Northumberland, England UK 
Date: 2021-04-14
Rhododendron macabeanum

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