Photo by Melody

PlantFiles: Climbing Hydrangea, Woodvamp
Decumaria barbara

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Decumaria (dek-yoo-MAR-ee-uh) (Info)
Species: barbara (BAR-bar-ruh) (Info)

6 vendors have this plant for sale.

4 members have or want this plant for trade.

Vines and Climbers

4-6 ft. (1.2-1.8 m)

8-10 ft. (2.4-3 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:
Light Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer


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

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By ViburnumValley
Thumbnail #1 of Decumaria barbara by ViburnumValley

By Rickwebb
Thumbnail #2 of Decumaria barbara by Rickwebb

By Rickwebb
Thumbnail #3 of Decumaria barbara by Rickwebb

By Rickwebb
Thumbnail #4 of Decumaria barbara by Rickwebb


3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive sladeofsky On Jan 25, 2015, sladeofsky from Louisville, KY (Zone 6b) wrote:

NOTE: the height rating here is way off. It can grow to 4' or 6' if that is how high it's supporting structure might be, but regularly climbs over 20' up trees and occasionally twice that in favorable conditions.

Positive Rickwebb On Jul 1, 2014, Rickwebb from Downingtown, PA wrote:

I've seen two really big vines at Jenkins Arboretum near Berwyn, PA in se PA, climbing way up large trees in the woods. This species gets huge; over 50 feet long. It does not really harm trees and needs some kind of structure to climb. Pretty plant with shiny dark leaves and white flower clusters. Native to the South of the U.S.

Positive psychloman On Sep 3, 2004, psychloman from Brooklyn, NY (Zone 7a) wrote:

I have had this plant growing up a wall for about five years now and this year it finally bloomed. The leaves are elegant and the vine climbs demurely and slowly; it is not at all invasive. All in all it makes a nice, dense covering for any wall you might have. I grow it in full sun.

Neutral Terry On Aug 2, 2001, Terry from Murfreesboro, TN (Zone 7a) wrote:

A beautiful native vine, it often is found climbing up deciduous trees or sprawling on the ground, although it must grow vertically to flower.

Ultimate height is 20-30 feet, although some vines have reached 40 feet.


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

Cullman, Alabama
North Little Rock, Arkansas
Clermont, Kentucky
Georgetown, Kentucky
Louisville, Kentucky (2 reports)
Sturgis, Mississippi
Middlesex, New Jersey
Brooklyn, New York
Hendersonville, North Carolina
New Bern, North Carolina
Devon, Pennsylvania
Christiana, Tennessee
Longview, Washington
Green Bay, Wisconsin

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