How much sun does Dwarf St. Johnswort need?

Dwarf St. Johnswort grows best in full sun conditions.

When does Dwarf St. Johnswort bloom?

Dwarf St. Johnswort blooms in June, July, August, and September.

Where is Dwarf St. Johnswort native?

Dwarf St. Johnswort (Hypericum mutilum) is native to AL, AR, CT, DE and 32 more states, per the USDA PLANTS Database and regional native plant society lists.

Is Dwarf St. Johnswort toxic to livestock?

The USDA PLANTS Database does not flag Dwarf St. Johnswort as toxic to livestock.

What pollinators does Dwarf St. Johnswort attract?

Dwarf St. Johnswort draws bees and beetles.

Is Dwarf St. Johnswort HOA-friendly?

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

Dwarf St. Johnswort

Name: Pollinator Patch
Author: Pollinator Patch

Hypericum mutilum

Last reviewed: June 2026

The USDA PLANTS Database (opens in new tab) does not flag Dwarf St. Johnswort as toxic to livestock.

Light

full sun

Water

medium

Size

4"–16" H × 4"–12" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, CT, DE and 32 more states

Pollinators

bees, beetles

Browse plants for this ecoregion

Central Oklahoma/Texas Plains Edwards Plateau East Central Texas Plains South Central Plains

Dwarf St. Johnswort is a compact annual wildflower that stays under 16 inches tall with small yellow blooms from June through September. This native plant forms neat, low mounds and works well as a natural groundcover or in mixed plantings. Its small stature and tidy growth habit make it easy to incorporate into landscaped areas.

In an HOA neighborhood

Dwarf St. Johnswort 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.

Annual lifecycle means gaps and reseeding needs
Can appear weedy or sparse compared to perennial plantings
May not provide consistent year-round structure expected in front yards

Wildlife value

The bright yellow flowers attract native bees and beneficial beetles throughout the summer months. Its extended blooming period provides consistent nectar sources during peak pollinator activity.

Common questions

How much sun does Dwarf St. Johnswort need?: Dwarf St. Johnswort grows best in full sun conditions.
When does Dwarf St. Johnswort bloom?: Dwarf St. Johnswort blooms in June, July, August, and September.
Where is Dwarf St. Johnswort native?: Dwarf St. Johnswort (Hypericum mutilum) is native to AL, AR, CT, DE and 32 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Dwarf St. Johnswort toxic to livestock?: The USDA PLANTS Database does not flag Dwarf St. Johnswort as toxic to livestock.
What pollinators does Dwarf St. Johnswort attract?: Dwarf St. Johnswort draws bees and beetles.
Is Dwarf St. Johnswort HOA-friendly?: Dwarf St. Johnswort 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 Dwarf St. Johnswort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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