American Gromwell (Lithospermum Latifolium) is a perennial herb in the Boraginaceae family with easy care difficulty. It requires moderate watering and partial shade or full sun light in USDA hardiness zones 4-8. This plant is safe for cats and dogs.

Lithospermum latifolium is a perennial herbaceous plant native to North America, notable for its broad leaves and small yellow flowers.

American Gromwell

American Gromwell

Lithospermum Latifolium

Lithospermum latifolium is a perennial herbaceous plant native to North America, notable for its broad leaves and small yellow flowers.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Partial Shade, Full Sun
Hardiness Zones
4-8

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, rocky, chalky, calcareous
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator support

Care Calendar

Monthly care tasks for American Gromwell

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

American Gromwell
American Gromwell detail

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Taxonomy

Family:Boraginaceae
Genus:Lithospermum