Little Ironweed (Cyanthillium Cinereum) is a annual herb in the Asteraceae 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 toxic to cats and dogs — keep it out of reach of pets.

Cyanthillium cinereum is an annual herbaceous plant known for its erect growth and purple to pinkish flowers.

Little Ironweed

Little Ironweed

Cyanthillium Cinereum

Cyanthillium cinereum is an annual herbaceous plant known for its erect growth and purple to pinkish flowers.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
8-11

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes

Care Calendar

Monthly care tasks for Little Ironweed

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

Little Ironweed
Little Ironweed detail

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

Taxonomy

Family:Asteraceae
Genus:Cyanthillium