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Oakleaf hydrangea
Habit (mature) · Schcrl / Wikimedia Commons · CC BY-SA 4.0
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Oakleaf hydrangea
Hydrangea quercifolia
A four-season native shrub of the southeastern United States, where NC State Extension notes it grows wild in moist woods and along stream banks. It is an upright, multi-stemmed deciduous shrub, slow-growing to roughly 4-8 feet tall and 4-10 feet wide, named for its large, oak-shaped, lobed dark-green leaves. Showy pyramidal 4-12 inch panicles of creamy-white flowers open from late spring into summer and fade to pink and then tan, while the bold foliage turns wine, orange, and mahogany in fall over peeling cinnamon bark. Easy and low-maintenance in organically rich, well-drained soil, it is grown as a specimen, in masses, or as an informal hedge.
Native: 8 US states
Review: Source-backed
Climate fit: moderate (59/100)
Focal point
Structure
Border
Pollinator
Light
Full sun / Part shade
Water
Moderate water
Mature size
48-96" tall · 72" apart
Hardy in zones
5a-9b
very cold to frosty winters
Summer heat range
Cool-Hot
cool to hot summers Interim Plotwright tier until the plant AHS range is authored.
Native in Illinois
No
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Watering and irrigation
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Transplanting and establishment
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Drainage and aeration
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Fertility and feeding
Compost, balanced fertilizer, slow-release plant food, and organic amendments.
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Native across 8 US states and Canadian provinces — a wide-ranging part of North America's plant communities.
Lady Bird Johnson Wildflower Center
Cold hardiness
Now
Zone 6b
USDA
Chicago, IL · 1991-2020 average annual coldest day
Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer
Well-suited
2050
Zone 7b
Plotwright
Your zone + climate-model shift · SSP3-7.0 (regional rivalry)
Well-suited
In plain terms: cold winters — coldest nights typically around -3°F.
Well-suited today and still thriving in 2050.
Heat tolerance
Loading current AHS heat-zone and plant heat-fit data at your coordinates…
Sources & citations
Cite this page
For lesson plans, articles, or research that uses this page. To cite a single upstream fact instead, use its specific source listed below.
Plotwright. (2026, May 17). Oakleaf hydrangea (Hydrangea quercifolia). Retrieved 2026, June 5, from https://plotwright.garden/plants/oakleaf-hydrangea
Sources for every fact
Every fact on this page traces to a source. 18 fields cited18 source-backed.
NC State Extension Gardener Plant Toolbox
University extension service
Backs 17 fields
Identity
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Wikimedia Commons
Photo · CC BY-SA 4.0
Backs 1 field
Image
Community photos
The photos above are our reviewed reference set, curated for accuracy.
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