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St. John's Wort

Hypericum calycinum
Size Chart

Annuals & Perennials Size Chart

Annuals & Perennials Size Chart

Typically available from spring to fall. Call your favorite store for current availability. 

Summer brings an abundance of small, bright yellow flowers that bloom among low, mat-like, green foliage. Excellent ground cover or filler in hanging baskets or containers.

Plant with Flowering Maple


  • Landscape Size: 1' tall, width varies
  • Light Requirement: Full to Morning Sun/Afternoon Shade
  • Water Needs: Moderate
  • USDA Zone: 5a
  • Growth Habit: Trailing, Spreading
  • Growth Rate: Fast
  • Attributes: Semievergreen, Deer Resistant

These characteristics apply to the greater Sacramento area and nearby regions. 

Live outside of our area? Please check with your local cooperative extension for the best growing practices in your neck of the woods.

Visit: UC Cooperative Extension Offices

Visit: National County Extension Offices

    Green Thumb Guide

    Thrives when planted in enriched, well draining garden soil. Divide clumps every 2-3 years.



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