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:

« Add a new plant to the database

» Search the Rhododendrons Database: by characteristics or by cultivar name

« See the general plant entry for Rhododendrons (Rhododendron)

« The Rhododendrons Database Front Page

« The Plants Database Front Page

Today's site banner is by Murky and is called "Ballerina Rose Hybrid"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.