St. John's Wort (Hypericum × inodorum)

St. John's Wort

Also known as: Tall tutsan

The Hypericum × inodorum grows to be 2 m tall. It has a branching base with gray-brown bark. Its leaves give off a goat-like scent when crushed (caproic acid).

Scientific classification

Species

St. John's Wort (Hypericum × inodorum)

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

Perennial

Lifespan

Shrub

Plant Type

Summer

Bloom Time

91 cm to 1.5 m

Plant Height

90 cm to 1.5 m

Spread

Green

Leaf Color

Red

Fruit Color

Yellow

Flower Color

Summer, Fall

Growth Season

Moderate

Growth Rate

Images of St. John's Wort

Distribution of St. John's Wort

Distribution Map

St. John's Wort, a hybrid species, has been introduced to a variety of temperate regions globally. It is chiefly present in parts of the southern hemisphere and scattered across other major regions, reflecting both its popularity and adaptability in cultivation. Generally, st. John's Wort thrives where it has been carefully introduced to the local florae.

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

Hemisphere Trend Curve

Northern

Sorthern

Cultivars

There are several recognized cultivars of St. John's Wort, including the following common varieties :

St. John's worts 'Magical Pumpkin'St. John's worts 'Magical Universe'St. John's worts 'Red Fame'

Care Guide for St. John's Wort

Every 1-2 weeks

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from moderate moisture environments, st. John's Wort prefers consistent watering every 1-2 weeks to avoid waterlogging. It is typically grown outdoors and requires increased hydration during its active growing season to maintain healthy foliage and blooms.

Fertilize: For st. John's Wort, apply balanced nutrition fertilizers in spring and high nitrogen in early summer, monthly. Reduce fertilization in fall and refrain in winter. Always water soil before use to prevent burn. New gardeners should adhere to product guidelines, while experienced ones adjust based on st. John's Wort's response.

Pruning: St. John's Wort is a deciduous shrub with vibrant yellow flowers and berrylike fruits. Prune in early spring by removing dead branches and thinning one-third of the oldest stems. This promotes air circulation, encourages blooming, and reduces disease risk.

Propagation: St. John's Wort is propagated via cuttings to preserve cultivar traits. Select healthy stems and use rooting hormone for better rooting success. Ensure a well-draining medium and consistent moisture, while using a mist system or humidity dome to maintain optimal humidity without overwatering.

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 St. John's Wort

Distribution of St. John's Wort

Cultivars

Care Guide for St. John's Wort

PEOPLE ALSO ASK