Korean Azalea, False Rosebay

Rhododendron yedoense var. poukhanense

Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Rhododendron (roh-do-DEN-dron) (Info)
Species: yedoense var. poukhanense
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36-48 in. (90-120 cm)


6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)


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)

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

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

Sun Exposure:

Light Shade

Partial to Full Shade


Parts of plant are poisonous if ingested

Bloom Color:


Magenta (Pink-Purple)

Bloom Time:

Mid Spring

Late Spring/Early Summer



Other details:

Unknown - Tell us

Patent Information:

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Seed Collecting:

Unknown - Tell us

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

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Water Requirements:

Average Water Needs; Water regularly; do not overwater

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Unknown - Tell us


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

Saint Petersburg, Florida

Winnetka, Illinois

Olathe, Kansas

Farmington, New Hampshire

Rochester, New Hampshire

Cincinnati, Ohio

Hilliard, Ohio

West Bend, Wisconsin

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Gardeners' Notes:

No details have been posted.