Photo by Melody

PlantFiles: Catawba Rhododendron, Iron Clad Rhododendron
Rhododendron catawbiense 'Boursault'

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Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Rhododendron (roh-do-DEN-dron) (Info)
Species: catawbiense (ka-taw-bee-EN-see) (Info)
Cultivar: Boursault

» View all varieties of Azaleas and Rhododendrons

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Category:
Shrubs

Height:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Spacing:
8-10 ft. (2.4-3 m)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
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)

Sun Exposure:
Sun to Partial Shade
Light Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Rose/Mauve

Bloom Time:
Late Spring/Early Summer

Foliage:
Grown for foliage
Evergreen
Smooth-Textured

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

Patent Information:
Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 12 photos.
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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral roalber On Oct 5, 2009, roalber from Kalamazoo, MI wrote:

Nice med. purple -blue flowers. 3/24/11 update- severe leaf burn after not so harsh winter. zero flower buds set from last year.

Regional...

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

Castro Valley, California
New Haven, Connecticut
Lawrenceville, Georgia
Chicago, Illinois
Dracut, Massachusetts
Dearborn Heights, Michigan
Kalamazoo, Michigan
Society Hill, New Jersey
Randolph, Vermont



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