trefle.io · Taken Sep 8, 2022 by Llandrich anna (cc-by-sa)
Hypericaceae
St. peter's-wort
Hypericum tetrapterum
Also known as Square-stemmed St. John's wort, Hypericum stans, St. Peter's wort, Hypericum quadrialatum
Native Plants · Hypericum · Wetland · Perennial · Yellow-Flowers · Pollinator · Medicinal · Streamside · Hypericaceae · Wildflower · European
St. Peter's-wort is a low-maintenance perennial that prefers moist, well-drained soils in sun to partial shade, making it ideal for rain gardens or pond margins. It produces small yellow flowers that attract a variety of pollinators through summer. Once established it needs minimal care beyond occasional watering during dry spells.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water thoroughly, keeping soil consistently moist but not waterlogged · Every 7-10 days
- Maintenance
- Low
- Soil pH
- 7–7.5
- Cycle
- Perennial
Form & growth
Mature size and habit
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Flowers
- No
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Algeria, Austria, Belarus, Belgium, Bulgaria, Corse, Czechoslovakia, Denmark, East Aegean Is., France, Germany, Great Britain, Greece, Iran, Iraq, Ireland, Italy, Kriti, Lebanon-Syria
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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