Withe-rod Viburnum, Appalachian Tea, Blue Haw, Shawneehaw, Possum Haw, Wild Raisin Viburnum 'Endeavor'

Viburnum nudum var. cassinoides

Family: Adoxaceae (a-dox-AY-see-ee) (Info)
Genus: Viburnum (vy-BUR-num) (Info)
Species: nudum var. cassinoides
Cultivar: Endeavor
Hybridized by Klehm
Registered or introduced: 2006



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)


6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 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:

Full Sun

Sun to Partial Shade

Light Shade


Parts of plant are poisonous if ingested

Bloom Color:

White/Near White

Bloom Time:

Mid Spring

Late Spring/Early Summer




Good Fall Color

Provides winter interest

Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:


Propagation Methods:

From semi-hardwood cuttings

By simple layering

Seed Collecting:

Remove fleshy coating on seeds before storing

Properly cleaned, seed can be successfully stored

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


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

Poplar Grove, Illinois

Georgetown, Kentucky

Nantucket, Massachusetts

Gardeners' Notes:

No details have been posted.