Creeping St. John's Wort, Aaron's B
Hypericum Calycinum
Overview
Hypericum calycinum, or Creeping St. John's Wort 'Aaron's Beard', is an evergreen groundcover noted for its vigorous growth and resiliency. It reaches up to 12 to 18 inches tall and spreads 18 to 24 inches wide. Glossy, dark green leaves complement radiant, yellow flowers blooming summer through fall. Thrives in zones 5-9, preferring partial shade to full sun. Tolerates a range of soils but excels in well-drained conditions.

Culture
- Sun
- Full, Half, Shade
- Water
- Extra in Summer, Medium
- USDA zones
- 6–10
Shape & size
Classification
- Family
- Hypericaceae
- Climate
- Temperate
See full data, regional cultivation notes, full-resolution photos, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (66)
























Related plants

Kalm's St. John Wort
Hypericum Kalmianum
Full · Zones 4–7

St. John's Wort
Hypericum 'Hidcote'
Full · Zones 7–11

Gold Flower
Hypericum X Moserianum
Full · Zones 8–10

Tutsan, Purple St. John's Wort
Hypericum Androsaemum 'Albury Purple'
Full · Zones 7–11

Creeping St. John's Wort, Aaron's B
Hypericum Prolificum
Full · Zones 3–8