Photo of Hypericum calycinum flower by Little Prince of Oregon

Photo by Little Prince of Oregon

Used with permission, all rights reserved.

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Hypericum calycinum

Also Known As

  • St. Johns Wort

Plant type

perennial, groundcover

size

  • H: 16"
  • W: 12"

planting zones

  • 5a-9b

More Options

Hypericum calycinum plant details

Hypericum calycinum is a broadleaf semi-evergreen perennial groundcover with burgundy and green foliage. In summer yellow flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun - mostly shade and regular water. Drought tolerant once established. Prefers to be dry in summer. Does well in rich and well-drained soil. A good option if you're seeking something for erosion control.

CHARACTERISTICS OF Hypericum calycinum

Plant type: perennial groundcover
Plant family: hypericaceae
Foliage: semi-evergreen burgundy and green
Mature size: 12 IN wide, 16 IN tall
Flowers: yellow blooms in summer
Uses: fall color, rock garden

GROWING CONDITIONS for Hypericum calycinum

USDA Zones: 5a - 9b
Sun exposure: sun - mostly shade
Watering frequency: regular
Resistant to: deer, erosion
Soil needs: rich and well-drained

Nursery contributed plant descriptions

Zn 4. Yellow flowers. Green foliage. Quick cover.
This plant makes a wonderful ground cover, especially under trees. It blooms throughout the summer. Drought tollerant once established, it should be planted in well drained soil. St Johns Wort is popularly used as an herbal treatment for anxiety and depression. You should consult your doctor and good reference material if you plan to use it for this purpose. WE CAN NOT SHIP LIVE PLANTS INTERNATIONALLY!

Gardening facts about Hypericum calycinum plant

How to Grow Hypericum calycinum

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • regular - drought tolerant
  • Water Needs

    • dry in summer
  • Soil Needs

    • well-drained
    • rich
  • Special Situation

    • erosion control

Features

  • Foliage Color

    • green
    • burgundy
  • Flower Color

    • yellow
  • Wildlife

    • bees
    • deer resistant
  • Flower Season

    • summer
  • Foliage Season

    • semi-evergreen
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