Kalm's St. John's Wort (Hypericum Kalmianum) is a perennial shrub in the Hypericaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 3-7. This plant is safe for cats and dogs.
A compact perennial shrub or subshrub with bright yellow flowers, native to North America.
Kalm's St. John's Wort
Hypericum Kalmianum
A compact perennial shrub or subshrub with bright yellow flowers, native to North America.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Kalm's St. John's Wort
Expert Care Tips
Pro tips from botanists and plant experts
Watering Tip
Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.
Humidity Trick
Group plants together to create...
Growth Hack
Rotate your plant every...
Photo Gallery10+ photos
View leaf details, flowers, seeds & more in the app