Plant Care bog St. John's wort

bog St. John's wort

Also known as

bog St. John's wort, Fraser's St. John's wort and Fraser's marsh St. John's wort


Hypericum fraseri

How to care for bog St. John's wort


How often to water your bog St. John's wort

Water needs for bog St. John's wort
0.5 cups
every 9

bog St. John's wort needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for bog St. John's wort in your home

Light needs and placement for plant bog St. John's wort: 1ft from a window
1ft or less from
a window

bog St. John's wort love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

bog St. John's wort does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of bog St. John's wort in your home 🏡.


How to fertilize bog St. John's wort

Nutrient, fertilizer, and repotting needs for bog St. John's wort: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your bog St. John's wort after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs

Care Summary for bog St. John's wort

bog St. John's wort

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

Trending in your area

Similar to bog St. John's wort

Discover rare plants

This plant is popular in