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Myrtleleaf St. Johnswort

Hypericum myrtifolium

Last reviewed: June 2026

Myrtleleaf St. Johnswort (Hypericum myrtifolium)
Photo: Laura Gaudette / Wikimedia Commons (CC BY 4.0)

Light

full sun

Water

low

Size

24"–36" H × 18"–30" W

Bloom

Jun, Jul, Aug

Native to

AL, FL, GA, MS and 1 more states

Pollinators

bees, butterflies

Myrtleleaf St. Johnswort is a compact native shrub that produces bright yellow flowers throughout summer. This drought-tolerant plant maintains a neat, rounded form and requires minimal care once established.

In an HOA neighborhood

Myrtleleaf St. Johnswort is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

  • Loses leaves in winter
  • May look sparse when not blooming

Wildlife value

The cheerful yellow blooms attract bees and butterflies during the summer months. Its dense growth habit also provides shelter for small wildlife.

Common questions

How much sun does Myrtleleaf St. Johnswort need?
Myrtleleaf St. Johnswort grows best in full sun conditions.
When does Myrtleleaf St. Johnswort bloom?
Myrtleleaf St. Johnswort blooms in June, July, and August.
Where is Myrtleleaf St. Johnswort native?
Myrtleleaf St. Johnswort (Hypericum myrtifolium) is native to AL, FL, GA, MS and 1 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Myrtleleaf St. Johnswort attract?
Myrtleleaf St. Johnswort draws bees and butterflies.
Is Myrtleleaf St. Johnswort HOA-friendly?
Myrtleleaf St. Johnswort is generally an HOA-friendly choice in the right placement, with low maintenance.

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 Myrtleleaf St. Johnswort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz