General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 6b -20.6 °C (-5 °F) to -17.8 °C (0 °F)
Maximum recommended zone: Zone 10a
Plant Height: 6-25 feet
Leaves: Evergreen
Broadleaf
Fruit: Other: Woody capsule
Flowers: Showy
Flower Color: Pink
Purple
Other: Occasionally white
Bloom Size: 1"-2"
Flower Time: Spring
Late spring or early summer
Summer
Uses: Windbreak or Hedge
Erosion control
Cut Flower
Will Naturalize
Wildlife Attractant: Bees
Butterflies
Toxicity: Other: All parts of the plant are poisonous
Propagation: Seeds: Provide light
Needs specific temperature: 45ºF-50ºF
Depth to plant seed: Surface sow, covering with a thin layer of soil.
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Layering
Other: Tissue Culture

Image
Common names
  • Pacific Rhododendron
  • Coast Rhododendron
  • California Rhododendron
  • Rhododendron
  • California Rose-Bay

Photo Gallery
Location: Columbia River Gorge, Oregon
Date: 2011-05-24
Location: Olympic Mountains, Washington.
Date: May
credit: Randy Smith
Location: Bonhoeffer Gardens, Stanwood, Washington
Date: 2017-06-26
ID per label
Location: Rogue River-Siskiyou National Forest, Oregon 
Photo by Robert Dunning, Wikipedia
Location: Pacific rhododendron (Rhododendron macrophyllum) on Olympic National Forest Mount Townsend Trail
Date: 2015-01-22
Photo courtesy of: Miguel Vieira
Location: Rhododendron (Rhododendron macrophyllum) on Jedediah Smith Redwoods Mill Creek Trail 2
Date: 2009-06-10
Photo courtesy of: Miguel Vieira
Location: Bonhoeffer Gardens, Stanwood, Washington
Date: 2017-06-24
ID per label
Location: Pacific rhododendron (Rhododendron macrophyllum) on Big Basin State Park McCrary Ridge Trail
Date: 2010-06-30
Photo courtesy of: Miguel Vieira
Location: Pacific rhododendron (Rhododendron macrophyllum) on Olympic National Forest Mount Townsend Trail
Date: 2010-07-27
Photo courtesy of: Miguel Vieira
Location: Pacific rhododendron (Rhododendron macrophyllum) on Olympic National Forest Mount Townsend Trail
Date: 2010-07-27
Photo courtesy of: Miguel Vieira
Comments:

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