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Northern Winged Loose Strife

Lythrum alatum

Found in calcareous meadows, marl fens, and disturbed wet calcareous places. FloraQuest, phone app (app page) What its natural habitat tells you

59
Strong

Native to Alabama. How scores work Is it native here?

Profile 94%

Height
3–4 feet
Light
Full sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
June to September

Not yet recorded · Spread · Leaves

Recorded in 34 Alabama counties.

Natural habitats

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

All habitats

Ecological relationships

Who uses this plant?

What these records mean

11CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Lythrum

  • Acronicta insularisHenry's Marsh Moth, Cattail Caterpillar
  • Actias lunaLuna Moth
  • Antheraea polyphemusPolyphemus Moth
  • Automeris ioIo Moth
  • Callosamia anguliferaTulip-Tree Silkmoth
  • Callosamia prometheaPromethea Silkmoth, Promethea Moth
  • Citheronia regalisRoyal Walnut Moth, Hickory Horned Devil
  • Eacles imperialisImperial Moth, Imperial Spiny Caterpillar
  • Eudryas unioPearly Wood-Nymph
  • Hyalophora cecropiaCecropia Silkmoth, Cecropia Moth
Show all 11
  • Morrisonia confusaConfused Woodgrain
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
25BeesSoutheastern regional records
0Specialist beesPollen specialists
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Lythrum

  • Coturnicops noveboracensisYellow Rail
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Lythraceae
Flower color
Purple

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

Growing sources and scope
  • Bloom · “June to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Flower color · “Purple” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
  • Height · “3–4 feet” · Tennessee Smart Yards (ranked first; Minnesota Wildflowers, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
  • Life cycle · “Perennial” · Minnesota Wildflowers
  • Light · “Full sun” · Tennessee Smart Yards (ranked first; Prairie Moon 2026 Cultural Guide differs) · Published Tennessee growing guidance; exact cached scientific heading
  • primary_flower_color · “purple” · Prairie Moon 2026 Cultural Guide
  • Soil · “wet to moderately wet” · Tennessee Smart Yards (ranked first; Prairie Moon 2026 Cultural Guide differs) · Published Tennessee growing guidance; exact cached scientific heading
Also known as

Winged Loosestrife

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

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Growing cautions

For planning only; these do not change the score or Fit.

Sources