
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
Taxonomy
Hypericum fraseri
Hypericum
Hypericaceae
Malpighiales

How to care for bog St. John's wort

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

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
9

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

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

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.

bog St. John's wort prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
bog St. John's wort requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Toxicity
Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.
Soil
bog St. John's wort does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
bog St. John's wort grows very slowly and doesn’t require added fertilizer. Replacing your plant’s potting soil once a year should provide them with more than enough nutrition. Remember, plants get their energy from sunlight, not fertilizer!
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.
