Hydrangea barbara

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Cowitch-vine, Climbing Hydrangea


Also known as Decumaria barbara

Plant Specifics

Size:to 30 ft
Life Span:Long-lived perennial
Flower Color:White
Noted for:Showy flowers, Interesting foliage


Recommended Uses:It's a vine, but can be used as a groundcover or to scramble over rocky outcroppings.
Considerations:It will only bloom when it is allowed to climb.
Propagation:Seed or softwood cuttings.
Availability:Native nurseries, Seed
Light: Part Shade,  Shade
Moisture Tolerance:
always floodedextremely dry
 (Aquatic ----- to ----- Not wet but not extremely dry)
Moisture Tolerance: Aquatic ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Loam, Sand
Soil pH:Neutral to slightly acidic



Attracts bees and butterflies

Native Habitats:Floodplains, moist hammocks.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures