Hydrangea quercifolia W. Bartram - Oak-leaved Hydrangea


 

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Hydrangea quercifolia - (image 1 of 5)

 

Taxonomy

Family: Hydrangeaceae

Habitat

Mixed hardwood forest, along stream and on hillsides. Often on calcareous soils.

Associates

 

Distribution

Native to the southeastern US, from NC south to FL, west TN to LA.

Morphology

Woody shrub. Leaves 5-7 pointed lobes, similar in appearance to red oak. Flowers in pyramidal or ovate panicles, 15-25 cm long, white changing to green, than to brown; petals 5; sepals 10. Bark pale brown, exfoliating.

Notes

Flowers in early June and the panicles persist through most of the summer.

Wetland indicator: NA

Fall color is a mix of purple, red, and orange. Attractive in all seasons. The second image shows the straight species, with a mix of fertile and larger sterile flowers. Some cultivars, like 'Snow Queen' and 'Alice', have mostly sterile flowers which produces a better floral effect (first image). Tolerant of drought and prefers part shade. Hardy to USDA Zone 6, with some cultivars flowering in zone 5.

References

Dirr, Michael A. 1998. Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses.
5th ed. Champaign, Illiois: Stipes Publishing L.L.C.

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 


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 Michael Hough 2005