How much sun does Loosestrife need?

Loosestrife grows best in part sun conditions.

When does Loosestrife bloom?

Loosestrife blooms in June, July, and August.

What pollinators does Loosestrife attract?

Loosestrife draws bees, beetles, and flies.

Is Loosestrife HOA-friendly?

Loosestrife takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Loosestrife

Name: Pollinator Patch
Author: Pollinator Patch

Lysimachia vulgaris

Last reviewed: August 2026

Toxicity unknown

Loosestrife (Lysimachia vulgaris) 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

part sun

Water

high

Size

24"–48" H × 12"–24" W

Bloom

Jun, Jul, Aug

Pollinators

bees, beetles, flies

Native alternatives to Loosestrife

Loosestrife is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

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Garden loosestrife is a tall perennial with bright yellow flower spikes that bloom throughout summer. It thrives in moist to wet conditions and can spread to form colonies over time. The plant dies back completely in winter, leaving bare ground until spring growth emerges.

In an HOA neighborhood

Loosestrife takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Can spread aggressively and look weedy
Dies back completely leaving bare patches
May be confused with invasive purple loosestrife

Wildlife value

The cheerful yellow flowers attract bees, beneficial beetles, and flies during the long summer blooming period. Its extended bloom time provides consistent nectar resources when many other flowers have finished.

Common questions

How much sun does Loosestrife need?: Loosestrife grows best in part sun conditions.
When does Loosestrife bloom?: Loosestrife blooms in June, July, and August.
What pollinators does Loosestrife attract?: Loosestrife draws bees, beetles, and flies.
Is Loosestrife HOA-friendly?: Loosestrife takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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

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