Hairy St John's Wort (Hypericum Hirsutum) is a perennial herb in the Hypericaceae family with easy care difficulty. It requires moderate watering and partial shade or full sun light in USDA hardiness zones 5-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

A perennial herbaceous plant with hairy leaves and stems, native to Western Europe.

Hairy St John's Wort

Hairy St John's Wort

Hypericum Hirsutum

A perennial herbaceous plant with hairy leaves and stems, native to Western Europe.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Partial Shade, Full Sun
Hardiness Zones
5-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator attraction

Care Calendar

Monthly care tasks for Hairy St John's Wort

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Hairy St John's Wort
Hairy St John's Wort detail

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Taxonomy

Family:Hypericaceae
Genus:Hypericum
Hairy St John's Wort Care Guide - How to Grow Hypericum Hirsutum | PlantPeek