Dwarf St. John's wort (Hypericum mutilum)

Dwarf St. John's wort

Also known as: Small-flowered St. John's wort

Common to parts of North America, dwarf St. John's wort or Hypericum mutilum, is an annual and perennial herb. Seeds of the dwarf St. John's wort are distributed by wading birds that feed in its moist, muddy habitat.

Scientific classification

Species

Dwarf St. John's wort (Hypericum mutilum)

Nances, spurges, willows and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Annual, Perennial

Lifespan

Herb

Plant Type

Mid summer

Bloom Time

15 cm to 60 cm

Plant Height

3 mm to 5 mm

Flower Size

Yellow

Flower Color

Moderate

Growth Rate

Images of Dwarf St. John's wort

Attributes of Dwarf St. John's wort

Growth Rate

During summer, dwarf St. John's wort displays moderate growth, showcasing a robust behavior characterized by an enhanced blooming of its yellow petals and expansion in foliage. Varying seasonal growth rates may exist, although summer attracts a distinct verdancy in dwarf St. John's wort. Temperature and humidity contribute to accentuating height development in this period, and both pruning and fertilizing could optimize the growth.

Distribution of Dwarf St. John's wort

Distribution Map

Dwarf St. John's wort is a plant with a natural range that extends across temperate and tropical regions of the Western Hemisphere. Introduced beyond its original habitat, dwarf St. John's wort now also grows in parts of Europe, Asia, and Oceania, where it has established itself in several areas, typically favoring wetland environments.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Ditches, marshes, shorelines

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Dwarf St. John's wort

Every week

Water

Partial sun

Sunlight

20 - 38 ℃

Ideal Temperature

Water: Dwarf St. John's wort thrives in moist environments and requires consistent hydration. Weekly watering is ideal to mimic natural conditions. As an herbaceous perennial from wetlands, dwarf St. John's wort should be planted outdoors to benefit from rainfall and maintain optimal moisture levels through the seasons.

Fertilize: Dwarf St. John's wort thrives with balanced fertilizer during the growing season. Start with high-nitrogen in spring, then bi-monthly at quarter strength. Reduce in winter. Evenly distribute granules at the base and water well. Always wear gloves when handling fertilizers to avoid skin contact.

Pruning: Dwarf St. John's wort is a low-growing plant known for its bright yellow flowers. Prune in early to late spring to remove dead wood, encourage growth, and enhance flowering. Thinning crowded areas improves air circulation and sunlight, promoting a dense, attractive form throughout the growing season.

Propagation: Dwarf St. John's wort is a perennial herb that flourishes in moist environments and is valued for its medicinal properties and yellow flowers. Propagation is done through sowing seeds, which should be kept moist for germination. Ongoing care includes ensuring moisture and good drainage to avoid root rot.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Images of Dwarf St. John's wort

Attributes of Dwarf St. John's wort

Distribution of Dwarf St. John's wort

Care Guide for Dwarf St. John's wort

PEOPLE ALSO ASK