Threadleaf Woollystar (Eriastrum Filifolium) is a annual herb in the Polemoniaceae family with easy care difficulty. It requires drought-tolerant watering and full sun light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Eriastrum filifolium is an annual herb native to California, belonging to the phlox family, known for its delicate thread-like leaves and star-shaped flowers.

Threadleaf Woollystar

Threadleaf Woollystar

Eriastrum Filifolium

Eriastrum filifolium is an annual herb native to California, belonging to the phlox family, known for its delicate thread-like leaves and star-shaped flowers.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
drought-tolerant
Light
Full Sun
Hardiness Zones
7-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

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

Care Calendar

Monthly care tasks for Threadleaf Woollystar

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

Threadleaf Woollystar
Threadleaf Woollystar detail

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Taxonomy

Family:Polemoniaceae
Genus:Eriastrum