Photo by Melody

PlantFiles: Small-leaf Rhododendron
Rhododendron 'Blue Baron'

Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Rhododendron (roh-do-DEN-dron) (Info)
Cultivar: Blue Baron
Hybridized by Weston Nurseries; Year of Registration or Introduction: 1981

» View all varieties of Azaleas and Rhododendrons

2 members have or want this plant for trade.


4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 m)

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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Spring


Other details:
Average Water Needs; Water regularly; do not overwater
Provides winter interest

Patent Information:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By rhodiedave
Thumbnail #1 of Rhododendron  by rhodiedave


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive levidude69 On Jan 13, 2014, levidude69 from New Kensington, PA (Zone 6b) wrote:

Absolutely stunning in Bloom, its as close to true blue as it gets. Not long blooming but when it does (very reliable) it's a show stopper. Be careful not to drown it when getting it established. Once established it's very rugged.

Positive MaryNeedsSleep On Mar 27, 2010, MaryNeedsSleep from Morgantown, WV wrote:

Weston nurseries introduction ['Starry Night' ('Gletschernacht') x 'Waltham']. One of the most blue rhodies. Small leaf varieties are said to like more sun than most azaleas and rhododendron.


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

Johnstown, Pennsylvania
Lititz, Pennsylvania
New Kensington, Pennsylvania
Anacortes, Washington

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