Heartleaf Arnica (Arnica Cordifolia) is a perennial herb in the Asteraceae family with easy care difficulty. It requires moderate watering and partial shade or full sun light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Arnica cordifolia is a perennial herb native to western North America, commonly known as heartleaf arnica due to its distinctive heart-shaped leaves.

Heartleaf Arnica

Heartleaf Arnica

Arnica Cordifolia

Arnica cordifolia is a perennial herb native to western North America, commonly known as heartleaf arnica due to its distinctive heart-shaped leaves.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Partial Shade, Full Sun
Hardiness Zones
3-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator support, erosion control

Care Calendar

Monthly care tasks for Heartleaf Arnica

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

Heartleaf Arnica
Heartleaf Arnica detail

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Taxonomy

Family:Asteraceae
Genus:Arnica