Ashy Hydrangea
Hydrangea cinerea
Found in rocky forests and rock outcrops, roadbanks, perhaps strictly or mostly associated with mafic or calcareous rocks. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Alabama. How scores work Is it native here?
Profile 88%
- Height
- 2–6 feet
- Spread
- 1–3 feet
- Light
- Dappled sunlight, Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Woody perennial
- Leaves
- Deciduous
Recorded in 21 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Glades, barrens and outcrops on limestone


Glades, barrens and outcrops on mafic or serpentine rock
Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
8CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · Hydrangea
- Acharia stimuleaSaddleback Caterpillar Moth
- Amphipyra pyramidoidesMiranda Underwing, Copper Underwing, Copper Amphipyra
- Darapsa versicolorHydrangea Sphinx
- Estigmene acreaSalt Marsh Moth, Acrea Moth
- Gandaritis atricolorataDark-Banded Geometer
- Herpetogramma bipunctalisSouthern Beet Webworm, Two-Spotted Herpetogramma
- Olethreutes ferriferanaHydrangea Leaftier
- Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
17BeesSoutheastern regional records
Southeastern regional records · Hydrangea
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Hydrangeaceae
- Hardiness
- Zones 4a–9b
- Soil pH
- Neutral to alkaline
- Flower color
- White
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “White” · NC Extension Plant Toolbox
- Hardiness · “Zones 4a–9b” · NC Extension Plant Toolbox
- Height · “2–6 feet” · NC Extension Plant Toolbox
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Woody perennial” · NC Extension Plant Toolbox
- Light · “Dappled sunlight (shade through upper canopy all day); Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- primary_flower_color · “white” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox
- Soil pH · “Neutral to alkaline” · NC Extension Plant Toolbox
- Spread · “1–3 feet” · NC Extension Plant Toolbox
Also known as
Hydrangea arborescens ssp. discolor
Conservation status
| Alabama rank | S4 |
|---|---|
| Global rank | G5 |
| AL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Alabama Plant Atlas
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

