Coastal Sweet-pepperbush
Clethra alnifolia
Found in pocosins, blackwater swamp forests, nonriverine swamp forests. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 100%
- Height
- 5–10 feet
- Spread
- 4–6 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
Space about 5 ft apart from its recorded spread, about 4 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
- Bloom
- June to August
- Fruiting season
- September to October
Recorded in 41 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.


Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 163 animals.
- Ruby-crowned KingletRegulus calendula
- White-throated SparrowZonotrichia albicollis
- Yellow-billed CuckooCoccyzus americanus
- Yellow-rumped WarblerDendroica coronata
- American Black DuckAnas rubripes
- American RedstartSetophaga ruticilla
- Barred OwlStrix varia
- Black-crowned Night-heronNycticorax nycticorax
- Eastern Screech-owlMegascops asio
- Great Blue HeronArdea herodias
- Green HeronButorides virescens
- Indigo BuntingPasserina cyanea
- Red-bellied WoodpeckerMelanerpes carolinus
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Ruby-throated HummingbirdArchilochus colubris
- Snowy EgretEgretta thula
- Song SparrowMelospiza melodia
- Swamp SparrowMelospiza georgiana
- Wild TurkeyMeleagris gallopavo
- Wood ThrushHylocichla mustelina
- Yellow-crowned Night-heronNyctanassa violacea
- Yellow-throated WarblerDendroica dominica
- Acadian FlycatcherEmpidonax virescens
- American WoodcockScolopax minor
Who uses this plant?
9CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Clethra
- Coelodasys unicornisUnicorn Caterpillar Moth
- Herpetogramma pertextalisBold-Feathered Grass Moth
- Herpetogramma thestealisZigzag Herpetogramma, Subtle-Feathered Grass Moth
- Lycia ypsilonWoolly Gray
- Nola clethraeSweet Pepperbush Nola
- Olethreutes inornatanaInornate Olethreutes
- Prochoerodes lineolaLarge Maple Spanworm Moth
- Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
- Scopula limboundataLarge Lace-Border
11BeesSoutheastern regional records
Southeastern regional records · Clethra
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
- Clethraceae
- Hardiness
- Zones 3a–9b
- Soil pH
- Acidic to neutral
- Flower color
- Pink or white
- Growth rate
- Moderate
- Growth habit
- Several stems
- Foliage color
- Green
- Fruit begins
- September
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “June to August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “Pink or white” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Fruit ends · “October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Growth habit · “Several stems” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 3a–9b” · NC Extension Plant Toolbox
- Height · “5–10 feet” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Woody perennial” · NC Extension Plant Toolbox
- Light · “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 (ranked first; Virginia DCR Coastal Plain differs)
- Soil · “Moist; Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia DCR Coastal Plain differ)
- Soil pH · “Acidic to neutral” · NC Extension Plant Toolbox
- Spread · “4–6 feet” · NC Extension Plant Toolbox
Also known as
Coastal Pepperbush; Coastal Sweet pepperbush
Conservation status
| Virginia rank | S5 |
|---|---|
| Global rank | G5 |
| VA 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.
Growing cautions
- Suckers and forms colonies. In conditions like its native habitat it suckers and forms small thickets. NC State Extension Plant Toolbox
For planning only; these do not change the score or Fit.
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- 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

























