Quick Reference for Herbicides Labeled in Flower Bulb Crops

Ingredient (product example)

Daffodil

Iris

Lily

Daylily

Narcissus

Tulip

Gladiolus

Dahlia

Peony

Preplant incorporated

EPTC (Eptam)

X

X

trifluralin (Treflan)

X

X

X

Xa

Xa

Preemergence

dimethenamid-p (Tower)

X

X

X

X

diquat (several)

X

X

X

X

diuron (Diuron 80WDG)

X

X

fenoxaprop (Acclaim Extra)

X

X

X

glyphosateb (several)

X

X

X

ixosaben (Quali-Pro)

X

X

X

X

X

linuron (Lorox)

X

X

napropamide (Devrinol DF-XT)

X

X

X

X

X

X

paraquatc (Gramaxone)

X

X

X

pendimethalin (Pendulum Aquacap)

X

X

X

X

X

X

X

prodiamine (Prodiamine 65WG)

X

X

X

X

s-metolachlor (Pennant Magnum)

X

X

X

X

trifluralin (Treflan)

X

X

X

X

X

Postemergence

clethodim (Envoy)

X

X

X

clopyralid (Clean Slate)

X

fenoxaprop (Acclaim Extra)

X

X

X

fluazifop (Fusilade)

X

X

X

X

pendimethalin (Pendulum Aquacap)

X

X

X

X

X

X

sethoxydim (Segment)

X

X

X

X

X

aEstablished gladiolus and dahlia only with directed application

bGlyphosate can be used only after planting bulbs but before plants emerge

cWashington supplemental label only