barbaras science

Orange hawkweed (Hieracium aurantiacum) Chemical Control

Disclaimer
Description of Plant: Long stem, broad leaf, and an orange flower with yellow center.
Useful Herbicides: You can treat this with picloram +2, 4-D; clopyralid+2, 4-D; or dicamba +2, 4-D before it flowers.

Herbicide Brand How to Apply When to Apply Comments

2,4-D + picloram near the roots bottom of stem. apply before it flowers.

2,4-D + dicamba near roots bottom of stem apply before it flowers.

Further Information about these herbicides:

Herbicide Brand Active Ingredient Mode of Action Comments

2,4-D

Picloram

dicamba

By Barbara Chaput 5/29/02

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Herbicide Brand	How to Apply	When to Apply	Comments
2,4-D + picloram	near the roots bottom of stem.	apply before it flowers.
2,4-D + dicamba	near roots bottom of stem	apply before it flowers.

Herbicide Brand	Active Ingredient	Mode of Action	Comments
2,4-D
Picloram
dicamba