Herbicide Recommendations for 2nd Year and Established Asparagus:
Before Spear Emergence or After Last Cutting

Table of Contents

1. Postemergence Grass and Broadleaf Herbicides
• Gramoxone
2. Vegetable Herbicide Weed Control Ratings (Table 13-1) (PDF file - 24kb)
   • Annual Grasses
   • Broadleaf Weeds
   • Perennial Weeds
3. Other Asparagus Weed Control Recommendations:
• Before Emergence of Direct Seeded Asparagus
  • Postemergence Grass and Broadleaf Herbicides
• Direct Seeded Asparagus
  • Postemergence Grass Herbicides
• 1st Year Crown-Established Asparagus
  • Soil Applied Grass and Broadleaf Herbicides
  • Postemergence Grass Herbicides
• 2nd Year & Established Asparagus
  • Soil Applied Grass and Broadleaf Herbicides
  • Postemergence Grass Herbicides
  • Postemergence Broadleaf and Grass Herbicides
  • During Harvest Immediately After Cutting
  • After Last Cutting
• 3rd Year and Established Asparagus
  • Before Spear Emergence or After Last Cutting
4. Related Links

Postemergence Grass and Broadleaf Herbicides

Precautions

• Apply in 300-1100 L/ha (120-440 L/ac) water. Use the higher volume of water on dense weed growth.
• Apply to weed seedlings before asparagus tips appear or after the last cutting.
• Do NOT apply to emerged spears which are to be used for human consumption.

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Related Links

• Weeds in Ontario
• OMAFRA Vegetables: Asparagus
• Vegetables in Ontario
• Integrated Pest Management (IPM)
• Pesticide Application and Safety
• Pesticide Companies and Agents
• OMAFRA Sprayer Calibration Calculator
• Search the PMRA website
• OMAFRA Publication 505: Ontario Weeds
• OMAFRA Publication 75: Guide To Weed Control

   

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