Hypericum inodorum · Hypericaceae

St. John's Wort

⚠️ Not safe for petsPerennial, remaining green all year round.60 to 120 cm

LightFull sun

WaterModerate watering; allow soil to dry between waterings.

DifficultyEasy

ColdWithstands temperatures slightly below zero degrees Celsius.

Full sunModerate watering; allow soil to dry between waterings.EasyWithstands temperatures slightly below zero degrees Celsius.

Description & origin

St. John's Wort is a perennial shrub known for its vibrant yellow flowers. It is ideal for gardens due to its resilience and ease of maintenance. Its dark green leaves complement the flowers, creating an attractive visual contrast.

Size

Can reach up to 120 cm in height and 100 cm in width.

Foliage

Evergreen foliage that remains green throughout the year.

Flowering

Blooms abundantly in summer with bright yellow flowers.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Well-drained soil rich in organic matter.

Watering

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

Temperature

Tolerates moderately cold temperatures but prefers mild climates.

Fertilising

Fertilize in spring with a balanced fertilizer.

Repotting

Transplant in spring or autumn, avoiding extreme heat periods.

Pruning

Prune in late winter to maintain shape and encourage growth.

Propagation

Easily propagated by semi-hardwood cuttings in summer.

Common problems

Powdery Mildew

Fungus causing white spots on leaves. Treat with appropriate fungicide.

Root Rot

Caused by excess water. Improve soil drainage.

Aphids

Insects that suck sap. Control with natural insecticide.

Uses & curiosities

In the garden

Attracts pollinators
Hedge
Colorful border

Other uses

Used in floral arrangements for its vibrant color.

Did you know…

This plant is often used in gardens to attract pollinators such as bees and butterflies.