Flexstar - Herbicide | Syngenta

Product Overview

Flexstar® herbicide outshines other post-emergence soybean herbicides by managing glyphosate- and ALS-resistant weeds, such as waterhemp, Palmer amaranth and ragweed species. Flexstar is the perfect tank-mix partner for complete post-emergence weed management. 

Dicamba Herbicide Tank-Mix Option

Flexstar is one of several Syngenta herbicide tank-mix options available for inclusion with XtendiMax® with VaporGrip®Technology, Engenia® herbicide and FeXapan herbicide Plus VaporGrip Technology. Tank mixing with dicamba provides you with additional weed management options and resistance management benefits. Please visit the XtendiMax application requirements, Engenia tank mix and FeXapan tank mix pages for approved drift reduction agents.

Product Highlights

  • Utilizes Isolink® Technology to deliver optimal performance
  • Absorbs on contact and is rainfast in 1 hour, providing maximum performance and effectivenes
  • Manages the toughest glyphosate- and ALS-resistant weeds with fast contact activity
  • Offers some of the best post-emergence weed management available on more than 50 weed species
  • Is available as a dicamba herbicide tank-mix option, expanding options for weed resistance management


Jan 25, 2018

Syngenta herbicides cleared for tank mixes on Roundup Ready 2 Xtend® soybeans and Bollgard II® XtendFlex® cotton

Syngenta has received confirmation from the Environmental Protection Agency (EPA) that several Syngenta herbicide tank-mix options have been cleared for inclusion with both XtendiMax® with VaporGrip® Technology and Engenia® herbicides.Read more »

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