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Lanceleaf loosestrife

Lysimachia lanceolata

Last reviewed: November 2026

Lanceleaf loosestrife (Lysimachia lanceolata) is a perennial forb native to AL, AR, DC, DE and 24 more states. It blooms in May, June, and July. The flowers draw specialist bees.

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Lanceleaf loosestrife (Lysimachia lanceolata)
Photo: (c) Michael J. Papay, some rights reserved (CC BY), uploaded by Michael J. Papay

Toxicity unknown

Lanceleaf loosestrife (Lysimachia lanceolata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

medium

Size

12"–24" H × 12"–18" W

Bloom

May, Jun, Jul

Native to

AL, AR, DC, DE and 24 more states

Pollinators

specialist bees

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 461 programs across 44 states, each with a link to the provider and the date we last checked it.

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Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Lanceleaf loosestrife.

An upright, rhizomatous perennial with narrow lance-shaped leaves and bright yellow star-shaped flowers on slender stalks in early summer. It spreads gradually to form loose colonies in open woods and prairie.

Growing Lanceleaf loosestrife

Grow Lanceleaf loosestrife in full sun and medium water. Mature plants reach 12 to 24 inches tall and spread 12 to 18 inches wide.

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Wildlife value

The flowers produce floral oils rather than nectar, feeding specialist Macropis bees that collect oil exclusively from this genus.

Common questions

How much sun does Lanceleaf loosestrife need?
Lanceleaf loosestrife grows best in full sun conditions.
When does Lanceleaf loosestrife bloom?
Lanceleaf loosestrife blooms in May, June, and July.
Where is Lanceleaf loosestrife native?
Lanceleaf loosestrife (Lysimachia lanceolata) is native to AL, AR, DC, DE and 24 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Lanceleaf loosestrife attract?
Lanceleaf loosestrife draws specialist bees.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Lanceleaf loosestrife? Add it to your garden in the Pollinator Patch App to track it and get season-by-season care guidance.