• Canada ThistleCanada Thistle has smaller heads, is a perennial, and can grow from seeds and roots.
  • Caucassian BluestemA harder to control grass species, perennial, and more difficult to ID.
  • Japanese KnotweedOne of the newest noxious weeds in Nebraska, perennial, and grows quickly
  • Spotted and Diffuse KnapweedSparse leaves, biennial, common around pastures in some parts of the state.
  • Purple LoosestrifeCommonly found around water areas and some ornamental settings, perennial, and has a spike of flowers
  • Musk ThistleBiennial, produces a large seed bed, and flowers are mostly purple
  • Phragmites or Common ReedCommonly found a long waterways, ditches, and drainage areas
  • Plumeless ThistleSimilar to Musk Thistle, spines extend up to flower bracts, and this plant is a biennial
  • SaltcedarProduces tiny seed, perennial, and most commonly found near water areas.
  • Sericea LespedezaNebraska's newest noxious weed, perennial, blooms late August into September
  • Leafy SpurgeWhite sap flows throughout this plant, perennial, and hard to control
Canada Thistle1 Caucassian Bluestem2 Japanese Knotweed3 Spotted and Diffuse Knapweed4 Purple Loosestrife5 Musk Thistle6 Phragmites or Common Reed7 Plumeless Thistle8 Saltcedar9 Sericea Lespedeza10 Leafy Spurge11
"To build partnerships in the effort to control noxious and invasive weeds from spreading, educate landowners on the benefit of control techniques."

Lyle's Column

The time is now to fight Sericea Lespedeza! Probably the number one concerning weed in southeast Nebraska right now is Sericea. 5 Rivers is offering help for those who want it, but you have to act now because this offer is not going to last forever.  We are offering a cost share program to help fight Sericea and 4 other weeds. Since Sericea Lespedeza has been added to the state wide noxious weed list, once this grant is completed, we will no longer be able to help offset the costs of controlling this weed. Sericea is required by law to be controlled so landowners will have to bear the cost all on their own once this program ends. So check with your county weed superintendent to see how you can sign up. Don't wait - call today!

Warm weather is coming (really it is). Weeds will be coming. Let’s get them before they get out of hand.

Remember:  Good neighbors control their weeds.

Lyle Weber-WMA Chair

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Welcome to the Five Rivers WMA Information Portal

Welcome to the Five Rivers Weed Management Area's online information site. The Five Rivers WMA is composed of federal, state, and local agencies working with public and private landowners in an effort to control noxious and invasive weeds from causing economic damage to the area. Currently, there are five major rivers that drain in the Southeast part of Nebraska. These smaller streams drainages pose a unique challenge in controlling invaders.

The following counties define the boundary of the Weed Management Area, which consists of more than 3,300,000 acres: Cass, Saline, Jefferson, Gage, Johnson, Pawnee, Otoe, Nemaha, Lancaster, and Richardson Counties.  More...


What is a WMA?

Weed Management Areas (WMAs) are local organizations that bring together landowners and managers (private, city, county, State, and Federal) in a county, multi-county, or other geographical area to coordinate efforts and expertise against common invasive weed species. The WMA functions under the authority of a mutually developed memorandum of understanding (MOU) and is subject to statutory and regulatory weed control requirements. A WMA may be voluntarily governed by a chairperson or a steering committee.

To date, groups in Nebraska have been initiated by either the leadership of the County or a Federal Agency employee. WMAs are unique because they attempt to address agricultural (regulatory) weeds and “wildland” weeds under one local umbrella of organization. It is hoped that participation will extend from all agencies and private organizations.

WMAs have printed weed I.D./control brochures, organized weed education events, written and obtained grants, coordinated demonstration plots, and instituted joint eradication, mapping, outreach, and other effective weed management projects.


Cost-Share Program Information

The WMA has an estimated $30,000 to assist landowners, managers, and entities this year in making effective invasive weed species control affordable. For more information Click Here.

The cost share program is made possible through funding from the Nebraska Environmental Trust, strong partnerships from participating counties, and grant administration from Five Rivers RC&D.

Click Here for a printable version of the Cost-Share Program application.