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)

Height

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
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