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Bransford, W.D. and Dolphia
Hydrangea arborescens L.
Wild hydrangea, Sevenbark
Synonym(s): Hydrangea arborescens var. oblonga, Hydrangea arborescens var. sterilis
USDA Symbol: hyar
USDA Native Status: L48 (N), CAN (I)
Small, mound-shaped, densely multi-stemmed shrub, 3-6 ft. tall, wild hydragea is often broader than high at maturity. The flat-topped clusters of delicate, greenish-white flowers are the deciduous shrub’s main landscape feature. Some flowers are so heavy as to weigh the stem to the ground. Fall foliage is insignificant.
Plant CharacteristicsDuration: Perennial Habit: Shrub Autumn Foliage:
Brown Size Class:
Bloom InformationBloom Color: White , Green
Bloom Time: Jun , Jul , Aug
, WV Native Distribution:
to s.e. MO,
s. to FL, LA
& OK Native Habitat:
Rich woods; rocky slopes; stream banks
Growing ConditionsLight Requirement:
Part Shade Soil Moisture:
Moist Soil Description:
Rich, well-drained, moist soils. Conditions Comments:
Wild hydrangea suckers freely, creeping over large areas. It is susceptible to sunscald, chlorosis in alkaline soils, and winter dieback. Many weak, brittle canes are easily broken in wind and ice. Fast-growing and short-lived, this hydrangea is often treated as an herbaceous perennial
and cut to the ground every winter. If the canes are allowed to grow, the naturally peeling bark
is attractive. The plant will need supplemental watering in hot, dry summers.
PropagationDescription: Propagate by seed or cuttings. Softwood cuttings, which should be taken early, root extremely easily.
Seed Collection: Not Available
Seed Treatment: Seeds require no sepcial treatment but need careful handling because they are so small.
Commercially Avail: yes
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Delaware Nature Society
- Hockessin, DELongwood Gardens
- Newark, DEMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2013-09-08
Research By: TWC Staff