Purchase Herbicides

herbicides for treating noxious weeds

The Noxious Weed department sells herbicide products that MUST be applied to land located in Johnson County, Kansas, otherwise full cost will be collected. The department does not sell brush killer or "dandelion spray"; we do not sell herbicides for gravel driveways, arenas, fence rows or bare ground. Glyphosate purchases are RESTRICTED to 2 1/2 gallons per season. Remedy Ultra is sold for the specific use of Sericea lespedeza control only. 

We accept CHECKS only. No cash or credit/debit cards. The Noxious Weed department is open Monday-Friday 6:30 a.m. to 3 p.m., closed for lunch from noon to 1 p.m. It is recommended to call ahead.

All prices subject to change without notice. Call the Noxious Weed office for current pricing.

Herbicide Price List for Noxious Weed Control

Freelexx (Corteva) EPA Reg Number 62719-634

Cost:  $55.00 per 2.5 gallons - Private Johnson County landowner
Cost:  $72.50 per 2.5 gallons - Governmental agency

Target weeds: Bull thistle, Canada thistle, Field bindweed, Musk thistle
Active ingredient(s): 2,4-D choline
Acid equivalent: 3.8 lb./gal
Broadcast rate: 2-4 pints per acre
Spot treatment: 4 ounces per 3 gallons
Rainfast interval: 4 hours
Soil residual: 2-4 weeks

Kleenup Pro (Loveland) EPA Reg Number 34704-890

Cost:  $64.38 per 2.5 gallons - Private Johnson County landowner
Cost:  $86.00 per 2.5 gallons - Governmental agency

Target weeds: Field bindweed, Canada thistle, Kudzu, Johnsongrass, Multiflora rose, Quackgrass
Active ingredient(s): Glyphosate
Acid equivalent: 3 lb/gal
Broadcast rate: 1-3 quarts per acre
Spot treatment: 0.7-0.13 oz/gal
Rainfast interval: 2 hours
Soil residual: N/A

Outrider (Valent) EPA Reg Number 59639-223

Cost:  $220.00 per 20 ounces - Private Johnson County landowner
Cost:  $286.80 per 20 ounces - Governmental agency

Target weeds: Johnsongrass
Active ingredient(s): Sulfosulfuron
Acid equivalent: N/A
Broadcast rate: 1.33 ounces
Spot treatment: 0.36 grams per gallon
Rainfast interval: 4 hours
Soil residual: N/A
**must use surfactant**

Range Star (Agri Star) EPA Reg Number 42750-55

Cost:  $19.50 per gallon, $48.75 per 2.5 gallons - Private Johnson County landowner
Cost:  $25.75 per gallon - Governmental agency

Target weeds: Field bindweed, Bull thistle, Bur ragweed, Canada thistle, Kudzu, Leafy spurge, Multiflora rose, Musk thistle, Pignut, Russian knapweed
Active ingredient(s): 2,4-D and Dicamba
Acid equivalent: 2,4-D - 2.87 lb/gal, Dicamba - 1 lb/gal
Broadcast rate: 1-2 quarts per acre
Spot treatment: 1 oz per gallon
Rainfast interval: 4 hours
Soil residual: 6-9 weeks

Remedy Ultra (Corteva) EPA Reg Number 62719-552

Cost:  $40.00 per gallon - Private Johnson County landowner
Cost:  $52.97 per gallon - Governmental agency

Target weeds: Sericea lespedeza
Active ingredient(s): Triclopyr (ester)
Acid equivalent: 4 lbs/gal
Broadcast rate: 1-2 pints per acre
Spot treatment: 1-2 oz per gallon
Rainfast interval: 6-8 hours
Soil residual: 3-6 weeks

Tordon 22K (Dow AgroSciences) EPA Reg Number 62719-6

Cost:  $33.75 per gallon, $84.38 per 2.5 gallons - Private Johnson County landowner
Cost:  $44.62 per gallon, $111.55 per 2.5 gallons - Governmental agency
*Requires Kansas Pesticide License to purchase

Target weeds: Field bindweed, Bull thistle, Bur ragweed, Canada thistle, Kudzu, Leafy spurge, Multiflora rose, Musk thistle, Pignut, Russian knapweed
Active ingredient(s): Picloram
Acid equivalent: 2 lbs/gal
Broadcast rate: 8-16 ounces per acre
Spot treatment: 0.10 - 0.75 oz per gallon
Rainfast interval: 6 hours
Soil residual: 6-12 weeks (may last longer than 52 weeks, under certain conditions)