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PlantFiles: Tree Rhododendron
Rhododendron arboreum

 
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Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Rhododendron (roh-do-DEN-dron) (Info)
Species: arboreum (ar-BOR-ee-um) (Info)

» View all varieties of Azaleas and Rhododendrons

3 members have or want this plant for trade.

Category:
Shrubs

Height:
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)

Spacing:
10-12 ft. (3-3.6 m)

Hardiness:
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Red

Bloom Time:
Late Winter/Early Spring
Mid Spring

Foliage:
Evergreen
Smooth-Textured
Shiny/Glossy-Textured
Leathery-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Patent Information:
Unknown - Tell us

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Click thumbnail
to view:

By Terry447
Thumbnail #1 of Rhododendron arboreum by Terry447

By EricInSF
Thumbnail #2 of Rhododendron arboreum by EricInSF

By EricInSF
Thumbnail #3 of Rhododendron arboreum by EricInSF

By EricInSF
Thumbnail #4 of Rhododendron arboreum by EricInSF

By EricInSF
Thumbnail #5 of Rhododendron arboreum by EricInSF

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive Terry447 On Feb 19, 2005, Terry447 from El Cerrito, CA (Zone 9b) wrote:

Spectacular tall (10 foot plus in 25 years) rhododendron flowering from Christmas to March in mild-winter climates. Deer-resistant.

Regional...

This plant has been said to grow in the following regions:

Berkeley, California
Mackinleyville, California
San Francisco, California



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