Purple Starthistle Weed Killer

Centaurea calcitrapa Herbicide

Description of Starthistle, Purple (Centaurea calcitrapa):
Purple starthistle, sometimes called red starthistle, grows up to 3 feet in height and has highly branched stems. When young, the stems have fine and cobwebby hairs. The leaves on the stem range from 5 to 8 inches in length and have dots of resin along the leaf surface. It flowers June through November.
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:
0.069 - 0.115 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 278784 - 464640 square feet
at a cost of
$0.20 - $0.34 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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