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Douglas County Noxious Weed Control provides this information as a courtesy (disclaimer) to those who are interested in controlling noxious weeds. We recommend a combination of two methods below (an integrated approach) to effectively control an infestation. If you prefer to have a Commercial Company take care of your Control needs, you can visit our Contractor's Page or use any Contractor found in the Yellow Pages. Equipment may also be available at a local rental store.

Remember, no matter what method(s) is used, ALL AREAS of the property must be maintained. These areas include around fences, poles, mounds, holes, hillsides (no matter how steep), and any other areas that may require specialized control.

Chemical Application
Note:
The below information is derived from the Nebraska Cooperative Extension EC 06-130-D (HERBICIDE USE IN NEBRASKA). Please consult the individual pesticide label for proper application rates.

Always read and follow label directions and wear the proper Personal Protective Equipment

Herbicide* 

Application Timing 

Remarks 

2,4-D LV Ester (4L)
or
2,4-D LV Ester (4L)
+
Tordon 22K
Bud Stage in Spring Retreatment necessary. Annual applications gradually reduce infestations.
Plateau Fall - 2 weeks before first killing frost 8 oz/acre to Control well-established stands of Leafy Spurge. Use with Surfactant. For best use of Plateau on Leafy Spurge, contact the Weed Control.

Tordon 22K
or
Roundup Ultra (or Pro)
+
2,4-D Amine (4L)

Fall (September to early October) or Spring

Tordon for n on-crop areas and spot treatment in pasture and range. Roundup for use in trees or areas where grass stand is not a factor.

* A property owner is not limited to these Herbicides only. Other Herbicides may be available, please consult the individual herbicide label for proper application directions. Herbicides can be found at coops, area nurseries, retail stores, farm stores, and other landscape centers. For more information on Herbicides and their uses please check with the Douglas County Extension Service.

Mechanical Control

Method 

Timing 

Remarks 

Mowing (short term method to
prevent seed spread)
Bloom Stage with seed pods only Because of Leafy Spurge's ability to regenerate by small buds on the root system mowing should not be relied on as a control method. Tillage should not be an option.

Biological Controls
The use of Biocontrol agents (natural enemies) for the control of Leafy Spurge have been used in Nebraska since 1988. These agents, insects, work slowly and results may not be seen for several years. Douglas County Weed Control utilizes two types of Insects on 3 locations in Douglas County, one was place in 1995 and the other (2) in 1997. The Insects were provided by a joint effort of the Nebraska Weed Control Association and the Nebraska Department of Agriculture at no cost to Douglas County. Goats and Sheep have shown to be another type of biocontrol agents and have been utilized in other areas of Nebraska and other States. For more information on Biological Control of Leafy Spurge, please contact the Weed Control.

Control Method Recommendation
Note: Improving the conditions and competition of desirable grasses and vegetation is the best defense against noxious weeds. Avoiding waste areas, overgrazing, disturbed ground and proper care of existing vegetation, will aid in keeping noxious weeds away.
KEY: Be PERSISTANT! A Perennial requires multiple years of control.

Small Infestations (less than 1 acre):

Spring 

Summer 

Fall 

Chemical actively growing Mowing flower stage Chemical when actively growing Sept - Oct


Large Infestations (greater than 1 acre) - please contact the Douglas County Weed Control for recommendation.



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