Is Small St. John's Wort safe for pets?

Yes, Small St. John's Wort (Hypericum Gramineum) is considered safe for cats and dogs.

Is Small St. John's Wort easy to care for?

Small St. John's Wort has a easy care difficulty rating. It requires medium watering and full_sun or partial_shade light.

Can Small St. John's Wort grow indoors?

Small St. John's Wort is primarily an outdoor plant and may not thrive indoors without specialized conditions.

Small St. John's Wort (Hypericum Gramineum) is a annual to perennial herb in the Hypericaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 8-11. This plant is safe for cats and dogs.

Hypericum gramineum is a small annual or perennial herb known for its erect or decumbent stems and small yellow flowers.

Last updated: February 2026

Small St. John's Wort

Hypericum Gramineum

Hypericum gramineum is a small annual or perennial herb known for its erect or decumbent stems and small yellow flowers.

Quick Facts

Type

herb

Lifecycle

annual to perennial

Care Difficulty

Easy

Water Needs

Moderate

Light

Full Sun, Partial Shade

Hardiness Zones

8-11

Safety

🐕

Pet Safe

👶

Child Safe

✅

Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, well-drained

Indoor:No

Outdoor:Yes

Garden Use:groundcover, pollinator attractor, ornamental

Care Calendar

Monthly care tasks for Small 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

View leaf details, flowers, seeds & more in the app

Taxonomy

Family:Hypericaceae

Genus:Hypericum