Stiff Greenthread (Thelesperma Filifolium) is a annual herb in the Asteraceae family with easy care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 5-10. This plant is safe for cats and dogs.
Thelesperma filifolium is a slender, branched-stemmed wildflower with thread-like leaves and bright yellow flowers, commonly found in prairies and open spaces.

Stiff Greenthread
Thelesperma Filifolium
Thelesperma filifolium is a slender, branched-stemmed wildflower with thread-like leaves and bright yellow flowers, commonly found in prairies and open spaces.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Stiff Greenthread
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
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Growth Hack
Rotate your plant every...
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