Hypericum inodorum · Hypericaceae

St John's Wort

✅ Pet-friendlyPerennial life cycle, with active growth in spring and summer.30 to 60 cm

LightFull sun, tolerates shade

WaterModerate, allows to dry slightly between waterings

DifficultyEasy

ColdResistant down to -5 degrees Celsius.

Full sun, tolerates shadeModerate, allows to dry slightly between wateringsEasyResistant down to -5 degrees Celsius.

Description & origin

St John's Wort is a perennial shrub, valued for its abundant flowering. Its yellow flowers appear in summer, attracting pollinators such as bees and butterflies.

Size

Can reach up to 60 cm in height and width.

Foliage

Shiny green leaves, opposite, that remain throughout the year.

Flowering

Blooms from June to August, with star-shaped yellow flowers.

Detailed care

Light

Prefers full sun but tolerates some shade.

Soil

Well-drained soil rich in organic matter.

Watering

Moderate watering, allowing the soil to dry slightly between waterings.

Temperature

Resistant to mild temperatures, tolerates some cold.

Fertilising

Balanced fertilizer in spring to promote growth.

Repotting

Transplant in spring when roots are active.

Pruning

Prune after flowering to maintain shape and encourage new growth.

Propagation

Easily propagated by cuttings or seeds.

Common problems

Fungal diseases

Can be affected by fungi, especially in conditions of excessive humidity.

Pests

Susceptible to aphids and scale insects, which can damage the leaves.

Wilting

May wilt if the roots are too waterlogged.

Uses & curiosities

In the garden

Ideal for borders and flower beds
Attracts pollinators to the garden
Great for container growing

Other uses

Used in herbal medicine and floral arrangements

Did you know…

This plant is known for its medicinal properties, being used in herbal medicine. St John's Wort is also popular in floral arrangements.