Rhododendron Species, Pacific, Coast Rhododendron, California Rose-Bay

Rhododendronmacrophyllum

Family
Ericaceae (er-ek-AY-see-ee)
Genus
Rhododendron (roh-do-DEN-dron)
Species
macrophyllum (mak-roh-FIL-um)
Synonym
Spacing
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
Hardiness
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
Sun Exposure
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Light Shade
Bloom Color
Parts of plant are poisonous if ingested
Bloom Time
Magenta (pink-purple)
Foliage
Mid Spring
Other Details
Other details
Evergreen
Textured
Seed Collecting
Category
From semi-hardwood cuttings
By stooling or mound layering
Patent Information
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Jacksonville, Florida

Atlanta, Georgia

Haverhill, Massachusetts

Warren, Michigan

Syracuse, New York

Sumter, South Carolina

Hendersonville, Tennessee

Lenoir City, Tennessee

Eatonville, Washington

Mountlake Terrace, Washington

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Gardener's Notes:

0
positive
1
neutral
0
negative
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M
Haverhill, MA (Zone 6b) | July 2003 | neutral

6 years experience, various cultivars.
Leaves can be "burned" by cold dry winter wind. Snow settling can cause branches to split ...Read More

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Whitebanded Crab Spider
(Misumenoides formosipes)
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Featured
Whitebanded Crab Spider
(Misumenoides formosipes)
Eastern Towhee
(Pipilo erythrophthalmus)