Lonarch Herbicide Weed Killer Concentrate

Lonarch Herbicide Weed Killer Concentrate

Have a Question? Ask Our Pros!

Call Us: 866-581-7378
Mon-Fri 9am-5pm ET
Email Our Pros
We're here to help
Live Chat
Offline. Leave Us a Message

You May Also Need

Average Rating

There are no reviews for this product yet. Be the first.

Product Overview

Lonarch Herbicide Weed Killer Concentrate is an eco-friendly non-selective herbicide that kills and controls more than 200 types of brush, weeds, and grass, including broadleaf weeds, grasses, oak sprouts, youpon, poison ivy, and other listed weeds. Works quickly in a few hours after being sprayed in dry sunlight, and can be applied immediately after rain. Can be spot sprayed on broadleaf weeds like dandelions, clover, and poison ivy in landscape beds and around a vegetable garden. Safe to use around people and pets, as well as wildlife if used as indicated on the product label. 

Features and Specs

Active Ingredient Sodium Lauryl Sulfate - 24.5%
Target pests Brush, Weeds, and Grass.
For use in Walkways, Driveways, Fence lines and road right of ways, Agricultural fields, Wildlife food plots, and Forestry sites.
Application Apply using standard methods of liquid herbicide application. Dilute according to label instructions.
Pet safe Yes, if used as directed on the label.
Formulation Liquid Concentrate.
Dimensions 2.40 x 5.10 x 7.60 inches.
Special Features Acts lightning fast, see results in only 4 hours. Site can be replanted 48 hours after spraying.
Shipping Weight 2.27 lbs
Manufacturer MonarchChem
UPC 860003276501



  • Pour desired amount of weed killer into your sprayer and fill with water.
  • Use 4 ounces of Lonarch to 1 gallon of water.
  • Adjust the spray nozzle to fan, cone, or mist setting.
  • Spray weeds until foliage is thoroughly wet.;
  • If edging, you can adjust sprayer nozzle to a jet or stream and spray in a line along the desired area to edge.
  • After spraying, rinse out nozzle of sprayer (if metal) with clear water to prevent corrosion.

See the product label for the complete application rate and instructions.


  • Anytime weeds are actively growing.
  • Apply only when air is calm to avoid drift.
  • For best results, apply on dry, sunny days.
  • Can be applied immediately after rain.
  • For waxier, heartier, or thicker vegetation, increase mix ratio to 8 oz per gallon. For best results, vegetation must be saturated.
  • Area may be replanted 24 hours after spraying.


  • Controls 200 plus different weeds, grasses, and brush.
  • Non-selective herbicide; do not spray on grass or foliage that you do not want to kill.
  • Can be used as a spot treatment along sidewalks, fences, driveways, and around flower beds.
  • Not for use on plants raised for food or feed.

There are no reviews for this product yet. Be the first.

Questions & Answers

Have a question about this product?
Sort Questions
How long after applying Lonarch Herbicide Weed Killer Concentrate do I have to wait to plant? Can I broadcast, roll/crimp and then spray this product?

Since Lonarch Herbicide does not migrate through the soil and does not translocate in plants, areas may be replanted 24 hours after spraying Lonarch Herbicide Weed Killer Concentrate as directed oer the manufacturer. 

Was this answer helpful to you?  YesNo