Fringed Loosestrife
Steironema ciliatum
Found in moist forests, especially bottomlands and coves dominated by hardwoods. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 100%
- Height
- 1–4 feet
- Spread
- 1–2 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Usually moist
Space about 1.5 ft apart from its recorded spread, about 44 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Bloom
- May to September
- Fruiting season
- August to October
Not yet recorded · Leaves
Recorded in 90 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.


Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 127 animals.
- Double-crested CormorantPhalacrocorax auritus
- Downy WoodpeckerPicoides pubescens
- Eastern KingbirdTyrannus tyrannus
- Eastern PhoebeSayornis phoebe
- Eastern Screech-owlMegascops asio
- Eurasian Collared-doveStreptopelia decaocto
- European StarlingSturnus vulgaris
- Golden-crowned KingletRegulus satrapa
- Gray CatbirdDumetella carolinensis
- Great Blue HeronArdea herodias
- Great EgretArdea alba
- Great Horned OwlBubo virginianus
- Green HeronButorides virescens
- Hairy WoodpeckerPicoides villosus
- Hooded MerganserLophodytes cucullatus
- Kentucky WarblerOporornis formosus
- Lincoln's SparrowMelospiza lincolnii
- Louisiana WaterthrushSeiurus motacilla
- MallardAnas platyrhynchos
- Mourning DoveZenaida macroura
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Northern ParulaParula americana
Who uses this plant?
6CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Lysimachia
- Catocala consorsThe Consort
- Herpetogramma pertextalisBold-Feathered Grass Moth
- Melanchra adjunctaHitched Arches
- Nola cilicoidesBlurry-Patched Nola
- Papaipema lysimachiaeLoosestrife Borer
- Papaipema nebrisStalk Borer
10BeesSoutheastern regional records
Southeastern regional records · Lysimachia
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 4.0
4Specialist beesPollen specialists
Pollen specialists · Lysimachia
- Macropis ciliata
- Macropis nuda
- Macropis patellata
- Macropis steironematis
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Primulaceae
- Hardiness
- Zones 3a–9b
- Soil pH
- Acidic to neutral
- Flower color
- Yellow
- Fruit begins
- August
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Yellow” · NC Extension Plant Toolbox
- Fruit begins · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Hardiness · “Zones 3a–9b” · NC Extension Plant Toolbox
- Height · “1–4 feet” · Minnesota Wildflowers
- Life cycle · “Perennial” · Minnesota Wildflowers
- 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; Lady Bird Johnson Wildflower Center differs)
- primary_flower_color · “yellow” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Soil pH · “Acidic to neutral” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Spread · “1–2 feet” · NC Extension Plant Toolbox
Also known as
Lysimachia ciliata; loosestrife
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.
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- 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

























