Globe Artichoke Weed Control

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Preemergent Herbicides (before weeds germinate)

HRAC Group 3:

pendimethalin (Prowl H2O): Up to 3 pt/A (PHI 60d) or 3.1 to 8.2 pt/A (200d). REI 24h. Do not exceed 8.2 pts/A per year. Apply to the soil surface at least 1 day before transplanting.

HRAC Group 14:

flumioxazin (Chateau SW): 4 fl oz/A. REI 12h. 1 application per year. Apply no later than 2 days before transplanting.

Pre- and Postemergent Herbicides

HRAC Group 14:

oxyfluorfen (Goal 2 XL): 4 to 6 pt/A. PHI 5d, REI 24h. Do not exceed 6 pt/A per year. Apply a minimum of 60 days after transplanting. Contact with crop will cause damage.

Postemergent Herbicides (after weeds germinate)

HRAC Group 0:

pelargonic acid (Scythe): 3% to 10% solution. PHI 1d, REI 12h. Apply before planting, or as a directed and shielded spray during crop growth. Contact with crop will cause damage.

HRAC Group 1:

clethodim (Select Max): 9 to 16 fl oz/A. PHI 5d, REI 24h. Do not exceed 64 fl oz/A per year. Apply to actively growing grasses.
sethoxydim (Poast): 0.5 to 2.5 pt/A. PHI 7d, REI 12h. Do not exceed 5 pt/A per year. Apply to actively growing grasses. BASF has stopped production and will discontinue the registration at the end of 2027.

HRAC Group 2:

halosulfuron (Sandea): 1 to 2 oz/A. PHI 5d, REI 12h. Do not exceed 2 oz/A per year. Avoid contact with plastic mulch. Contact with crop will cause damage.

HRAC Group 9:

glyphosate (Roundup Power Max): 10 fl oz to 3.1 qt/A. PHI 5d (spot treatment) or 14d (all other uses), REI 4h. Do not exceed 5 qt/A per year. Apply during fallow intervals, prior to planting, at planting, before crop has emerged, or to row middles with a hooded or shielded sprayer or wiper applicator. Spray contact can cause crop death.

HRAC Group 14:

carfentrazone-ethyl (Aim EC): 0.5 to 2 fl oz/A. PHI 0d, REI 12h, Group 14. Do not exceed 6.1 fl oz/A per year. Apply as a preplant burndown no later than 1 day before transplanting or as a hooded application between beds.

HRAC Group 22:

paraquat (Gramoxone SL 3.0*): 1.7 to 2.7 pt/A. PHI 1d, REI 48h. Do not exceed 5.3 pt/A per year. Apply between rows as a directed shielded spray after crop establishment. May be fatal if swallowed or inhaled. *Restricted use: Applicators must complete an EPA-approved paraquat training every 3 years: https://www.epa.gov/pesticide-worker-safety/paraquat-dichloride-training-certified-applicators.

Weed Control