Marsh St. John's wort (Triadenum)

Marsh St. John's wort

Marsh St. John's wort are a small group of flowering plants characterized by the opposite, rounded leaves, pinkish or flesh-colored flowers with five petals and nine stamens, and the preference for wetland habitats. They are usually found on the edges or shores of water bodies. Because of this strong habitat preference, they can be useful in ecology as wetland indicators.

Scientific classification

Genus

Marsh St. John's wort (Triadenum)

Family

St. John's wort

Order

Nances, spurges, willows and allies

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Perennial

Lifespan

Images of Marsh St. John's wort

Species

Virginia marsh St. John's wort Fraser's marsh St. John's wort Triadenum breviflorum Greater marsh St. John's wort

Care Guide for Marsh St. John's wort

Every week

Water

Water: Marsh St. John's wort thrives in wetland habitats and prefers consistently moist soil. For optimal growth, it should be watered weekly. Typically grown outdoors, marsh St. John's wort benefits from natural rainfall, and its vitality relies on adequate hydration during the active growing season.

Propagation: Propagation of marsh St. John's wort involves seed sowing and division in moist, well-draining soil with partial to full sun, and temperatures of 13°C to 24°C (55°F to 75°F). Challenges include seed germination variability and moisture management. Steps include collecting seeds, stratifying if needed, and transplanting seedlings.

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Learn More About Marsh St. John's wort

How to Grow and Care

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