MINT


Weed Problem   Chemical   Pounds Active Ingredient (AI)/Acre   Amount of Commercial Product/Acre   Remarks and Limitations

Preemergence for control of emerged weeds   paraquat
(GRAMOXONE SL 2.0)
  0.5-0.75  
2-3 pt
  Apply before mint emerges in the spring for control of emerged weeds. Tank mix with a residual herbicide.

Preemergence annuals   clomazone
(COMMAND 3ME)
  0.5  
1.3 pt
  Apply before mint initiates active growth in the spring. Observe rotational restrictions on label. 84-day PHI. Controls white campion (cockle).

  flumioxazin
(CHATEAU 51WDG)
  0.128  
4 oz
  Apply in early spring to dormant mint. May cause stunting on light soil. 80-day PHI.

  napropamide
(DEVRINOL 50DF-XT)
  4  
8 lb
  Peppermin and spearmint. Apply soon after planting mint. Apply before emergence to established mint.

  oxyfluorfen
(GOALTENDER 4SC)
  0.5  
1 pt
  Apply before mint emerges to avoid crop injury. May cause temporary stunting of mint.

  pendimethalin
(PROWL H20 3.8 ACS)
  0.71-1.9  
1.5-4 pt
  Apply to dormant mint in the spring for control of annual grasses. Do not use on first year (row) mint. 90-day PHI.

  sulfentrazone
(SPARTAN 4F)
  0.14-0.375  
4.5-12 fl oz
  NEW PLANTING: Apply preemergence after planting. Reduce use rate by 25% for soil type on new plantings.

ESTABLISHED PLANTINGS. Apply before mint emerges in spring. Use lower rate on coarse soils with low OM content.

  terbacil
(SINBAR 80 WDG)
  0.4-1.6  
0.5-2 lb
  PREEMERGENCE: Apply in spring before mint emerges.

Postemergence broadleaves   bentazon
(BASAGRAN 4L)
  1  
1 qt
  Apply postemergence when weeds are small. Include 1 qt COC/acre. Do not exceed 4 lb/acre/year.

  bromoxynil
(MOXY 2E)
  0.25  
1 pt
  Apply during dry weather with temperatures below 70 F. Effective on small weeds. May cause temporary stunting and leaf chlorosis of mint. 70-day PHI.

  clopyralid
(STINGER 3L)
  0.188-0.375  
0.5-1 pt
  Apply up to 1 pt in fall or 0.5 pt in spring. Spring application may reduce oil yield. Maximum of 1 pt/acre/year. Controls composites (e.g., Canada thistle, dandelion), legumes, smartweeds, nightshades, plantains and some other weeds. 45-day PHI.

  glyphosate
(ROUNDUP 4L)
  1-3  
1-3 qt
  Use as a spot spray to kill perennials. Mint sprayed will be killed. Treat a maximum of 1/10 of any acre. 7-day PHI.

  terbacil
(SINBAR 80 WDG)
  0.4-0.8  
0.5-1.0 lb
  Apply up to 1 lb product plus 1 pt NIS/acre. Maximum 2 lb product pre and post/year. Discontinue use 1 year before rotating to other crops. 60 day PHI.

Postemergence grasses   clethodim
(SELECT MAX 0.97E)
  0.068-0.12  
9-16 fl oz
  Apply to small grasses. Include 0.25% NIS/acre in spray mix. 21-day PHI.

  quizalofop
(ASSURE II 0.88E)
(TARGA)
  0.04-0.07  
6-10 fl oz
6-10 fl oz
  Apply in 10-40 gal/acre to actively growing grass. Use high rate on perennial grass. Include 1 qt COC or 0.5 pt NIS/acre. 30-day PHI.

  sethoxydim
(POAST 1.5E)
  0.19-0.28  
1-1.5 pt
  Apply to actively growing grasses. Include 1 qt COC/acre. Maximum 5 pt and 2 applications/year. 20-day PHI.