How much sun does Marsh St. John'S Wort need?

Marsh St. John'S Wort grows best in part sun conditions.

When does Marsh St. John'S Wort bloom?

Marsh St. John'S Wort blooms in June, July, and August.

Where is Marsh St. John'S Wort native?

Marsh St. John'S Wort (Hypericum virginicum) is native to AL, AR, CT, DE and 26 more states, per the USDA PLANTS Database and regional native plant society lists.

What pollinators does Marsh St. John'S Wort attract?

Marsh St. John'S Wort draws bees, butterflies, and beetles.

Is Marsh St. John'S Wort HOA-friendly?

Marsh St. John'S Wort takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Marsh St. John'S Wort

Name: Pollinator Patch
Author: Pollinator Patch

Hypericum virginicum

Last reviewed: June 2026

Light

part sun

Water

high

Size

12"–24" H × 6"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, CT, DE and 26 more states

Pollinators

bees, butterflies, beetles

Hypericum virginicum, also known as Marsh St. Johnswort, is a compact native perennial that produces bright yellow flowers from June through August. This moisture-loving plant forms neat clumps in partially shaded areas and requires consistently moist to wet soil conditions.

In an HOA neighborhood

Marsh St. John'S Wort takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Requires consistently wet soil which may appear boggy
Can look sparse or untidy in typical landscape settings
May struggle and appear stressed in conventional garden conditions

Wildlife value

The cheerful yellow blooms attract bees, butterflies, and beetles throughout the summer months. This native hypericum provides important nectar resources for pollinators in wet garden areas.

Common questions

How much sun does Marsh St. John'S Wort need?: Marsh St. John'S Wort grows best in part sun conditions.
When does Marsh St. John'S Wort bloom?: Marsh St. John'S Wort blooms in June, July, and August.
Where is Marsh St. John'S Wort native?: Marsh St. John'S Wort (Hypericum virginicum) is native to AL, AR, CT, DE and 26 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Marsh St. John'S Wort attract?: Marsh St. John'S Wort draws bees, butterflies, and beetles.
Is Marsh St. John'S Wort HOA-friendly?: Marsh St. John'S Wort takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Marsh St. John'S Wort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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