
Virginia Marsh St. Johnswort
Also known as
Triadenum virginicum, marsh St. Johns-wort and Virginia marsh St. Johnswort
Taxonomy
Triadenum virginicum
Triadenum
Hypericaceae
Malpighiales

How to care for Virginia Marsh St. Johnswort
How often to water your Virginia Marsh St. Johnswort

every 9
Virginia Marsh St. Johnswort 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
Finding light for Virginia Marsh St. Johnswort in your home

a window
Virginia Marsh St. Johnswort may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.
Place it less than 3 feet from a south-facing window to maximize the potential for growth.
Select your region to see how the current weather in your area affects the placement of Virginia Marsh St. Johnswort in your home 🏡.
How to fertilize Virginia Marsh St. Johnswort

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 Virginia Marsh St. Johnswort after it doubles in size or once a year—whichever comes first.
Care Summary for Virginia Marsh St. Johnswort
Virginia Marsh St. Johnswort
Greg recommends:

0.5 cups every 9 days

< 3ft from a window

Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.
