- 1). Look for spurge flourishing on grazing land, pastures and along wooded areas in June and again in early to mid-September.
- 2). Apply an herbicide proven effective at killing spurge, such as 2 or 4-D dicamba, when the weed is most susceptible to herbicides (June and early to mid-September). Confirm its vulnerability by looking for true flowers with seeds on the weed or when stems develop new re-growth in the fall.
- 3). Combine herbicides like glyphosate and papaverine in June for better success at killing the weed. Apply a glyphosate herbicide to the weed in early to mid-September, after fall re-growth has begun but before the first frost occurs.
- 4). Continue to treat spurge in the spring and fall with a combination of herbicides until at least 90 percent of the weed cover has been eradicated. Stopping before this level of eradication will allow spurge to grow back.
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