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Written by: Renae Moran, U. of Maine

Weed control options for new plantings (1st-leaf, read label for precautions)

TYPEWEEDSPRODUCTSCHEMICALACTIVITYCOMMENTS
pre-emergentannual grass, some broadleafSurflan
Oryzalin
oryzalinsystemicwait for soil to settle; requires rainfall or irrigation
Prowl H2Opendimethalinsystemic 
Sinbar WDGterbacilcontact/systemicuse caution in first leaf, wait for soil to settle, use low rate; read label for specifics
broadleafGoal
GoalTender Galligan
Collide
oxyfluorfencontact (some systemic)dormant trees only; vapor toxic to foliage
Galleryisoxabensystemicwait for soil to settle; tank-mix with Prowl best option for weed control in new plantings
post-emergentgrass, broadleafGramoxoneparaquatcontactrestricted use, highly toxic, no application to green bark (shield trunks) 
Roundup and genericsglyphosatecontactshield trunks
 CheetahGlufosinate-ammoniumcontactshield trunks/green bark
young broadleafGoal
GoalTender Galligan
Collide
oxyfluorfencontact (some systemic)seedlings only; dormant trees only; vapors can be phytotoxic
Aimcarfentrazone-ethylcontactshield trunks
Venuepyraflufen-ethylcontactshield trunks
grassesSelect 2EC
Select Max
clethodimsystemicnon-bearing only
Fusilade DXfluazifopsystemicstone fruit all ages; apple and pear non-bearing only
Poastsethoxidimsystemicplum non-bearing only