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Japanese Loosestrife

Lysimachia japonica

Found in grassy places, roadsides, disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you

—
Not native

Not native to Virginia. How scores work Is it native here?

Profile 59%

Light
Partial shade, Full shade, Full sun
Soil moisture
Dry to moist

At a glance

Bloom
May to October

Not yet recorded · Height · Spread · Life cycle · Leaves

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 2 Virginia counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

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
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
4Specialist beesPollen specialists

Pollen specialists · Lysimachia

  • Macropis ciliata
  • Macropis nuda
  • Macropis patellata
  • Macropis steironematis
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
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Growing and identification

Plant details

Family
Primulaceae

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “May to October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Light · “Partial shade; Full shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia

Conservation status

Virginia rankNot available
Global rankGNR
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources