North America Non-native Plant

Hypericum Repens

Botanical name: Hypericum repens

USDA symbol: HYRE8

Native status: Not native but doesn't reproduce and persist in the wild

Hypericum repens: A Lesser-Known Member of the St. John’s Wort Family If you’ve stumbled across the name Hypericum repens in your plant research, you’re not alone in finding limited information about this particular species. This member of the St. John’s wort family (Hypericaceae) represents one of those botanical mysteries that ...

Hypericum repens: A Lesser-Known Member of the St. John’s Wort Family

If you’ve stumbled across the name Hypericum repens in your plant research, you’re not alone in finding limited information about this particular species. This member of the St. John’s wort family (Hypericaceae) represents one of those botanical mysteries that keeps plant enthusiasts on their toes.

What We Know About Hypericum repens

Hypericum repens belongs to the diverse Hypericum genus, which includes over 400 species worldwide. The genus is known for its characteristic yellow flowers with prominent stamens and opposite leaves, often featuring translucent dots when held up to the light. However, specific information about H. repens itself is surprisingly scarce in readily available botanical literature.

The Challenge of Limited Information

Here’s where things get interesting (and a bit frustrating for gardeners): while the name Hypericum repens appears in various plant databases and references, detailed information about its specific characteristics, native range, and growing requirements is not well-documented in accessible sources. This could indicate:

  • It may be a regional or locally-used name
  • It could be a lesser-studied species within the genus
  • There might be taxonomic uncertainty or recent reclassification
  • Information may be limited to specialized botanical publications

Geographic Distribution Mystery

The geographic distribution of Hypericum repens remains unclear based on readily available information. Without reliable data on its native range, it’s impossible to determine where this plant naturally occurs or whether it might be suitable for your local ecosystem.

What This Means for Gardeners

If you’re considering adding Hypericum repens to your garden, here’s our honest take: proceed with caution and do your homework. The lack of readily available information makes it difficult to provide guidance on:

  • Appropriate growing conditions
  • Hardiness zones
  • Invasive potential
  • Native status in your area
  • Wildlife and pollinator benefits

Better-Documented Alternatives

Instead of gambling with a poorly-documented species, consider these well-researched native Hypericum alternatives for your region:

  • Research native St. John’s wort species in your area
  • Consult local native plant societies
  • Contact your regional botanical gardens or extension offices
  • Look for species with clear native status and growing information

The Bottom Line

While Hypericum repens may indeed be a perfectly lovely plant, the lack of accessible information makes it impossible to recommend with confidence. Native gardening is all about making informed choices that benefit both your landscape and local ecosystems. When in doubt, choose well-documented native species that you can grow successfully and responsibly.

If you have reliable information about Hypericum repens or have grown it successfully, we’d love to hear from you! Sometimes the best plant knowledge comes from experienced gardeners willing to share their discoveries.

Hypericum Repens

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Theales

Family

Clusiaceae Lindl. - Mangosteen family

Genus

Hypericum L. - St. Johnswort

Species

Hypericum repens L.

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA