Woolly Distaff Thistle Weed Killer

Carthamus lanatus Herbicide

Description of Thistle, Woolly Distaff (Carthamus lanatus):
Woolly distaff thistle, unlike most thistles, have yellow flowers instead of purple. It has become increasingly invasive in southern Oregon and northern California. They're so dense that they are crowding out grasses and native species to the areas.
Pre-Emergent
Post-Emergent
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Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
Label Rate:
0.092 - 0.161 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 199131 - 348480 square feet
at a cost of
$0.28 - $0.48 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
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