smoothbark st. johnswort
Hypericum lissophloeus
USDA zones7 to 9
SunHandles full sun to partial sun
WaterNeeds moderate soil
Size6 to 10 feet tall3 to 5 feet wide
- Habit
- Subshrub
- Bloom season
- Summer, autumn
- Bloom color
- Yellow
Notes
Smoothbark st. johnswort (Hypericum lissophloeus) is a shrub. It is hardy to USDA zone 7, or down to 0°F (-18°C). This plant likes full or part sun and average moisture. Yellow flowers open in early to late summer and again in early to mid autumn. It grows 6 to 10 feet tall and stays evergreen. In nature it grows along pond and lake margins.
Pairs well with Wax myrtle, Tea plant, and Society garlic.
Native range
Florida.