Arrowleaf Ragwort (Senecio Triangularis) is a perennial herb in the Asteraceae family with moderate care difficulty. It requires high watering and partial shade or full sun light in USDA hardiness zones 4-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Senecio triangularis is a perennial herbaceous plant native to North America, recognized by its distinctive triangular or arrowhead-shaped leaves and bright yellow clustered flowers.

Arrowleaf Ragwort

Arrowleaf Ragwort

Senecio Triangularis

Senecio triangularis is a perennial herbaceous plant native to North America, recognized by its distinctive triangular or arrowhead-shaped leaves and bright yellow clustered flowers.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
High
Light
Partial Shade, Full Sun
Hardiness Zones
4-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

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

Care Calendar

Monthly care tasks for Arrowleaf Ragwort

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

Arrowleaf Ragwort
Arrowleaf Ragwort detail

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Taxonomy

Family:Asteraceae
Genus:Senecio