Alligare Imazapyr Herbicide 4 SL for Broad Spectrum Control of 185 Annual, Biennial, and Perennial Weeds & Brush - 1 Quart Liquid Weed Killer, Ideal for Rangeland, Bare-Ground, and Site Preparation

I used 6oz. to a 2 gallon sprayer. I sprayed the leaves of bamboo and at first I thought it wasn't doing anything. At the end of the season the bamboo were wiped out. This really, I was just pulling out the giant dead bamboo stalks and the area is much cleaner Better than anything else I have used, just need patience.

I finally have something that killed the bamboo in my yard (after trying everything). I learned that it works if you cut the bamboo and then apply the herbicide to the exposed roots. I also added a product that helped the herbicide stick to the roots.

If you’re looking for permanent solutions, this is it. Imazapyr doesn’t mess around—it kills everything down to the root and keeps it dead for the long haul. I used it on invasive blackberry and overgrown fence lines, and weeks later, not a single sprout has returned. Just be careful: it has soil activity, so don’t use near trees, gardens, or anything you want to keep alive. ✅ Extremely effective for tough, woody, or invasive plants ✅ Results visible in 1–2 weeks, lasting months ✅ Great for fence lines, vacant lots, and gravel pads ⛔ Not selective—kills everything, including grass ⛔ Can linger in soil—be mindful near desirable vegetation 🧪 Pro Tip: Mix at about 1–2 oz per gallon with a surfactant for best results. Use a marker dye if you’re covering large areas. If you’re managing land or need an aggressive herbicide, this is pro-grade and powerful. Just respect the label—this stuff is no joke.

A bit high in my opinion, and slow to act (the latter was expected) but it seems to work well. I'll try it again at the beginning of the next growing season for my fencerows to see if it lasts

Kills bamboo but it does take a while so don’t expect instant results of your buying this specifically for bamboo. It also kills most brush and small trees. It will kill your grass dead so be careful when applying it. Also wear goggles and exam gloves.

I have been using Imazapyr to keep weed out of my gravel drive way and along my fence post for years. I apply it in Feb/March while it is still cool and don't have to keep spraying. Also like that it is not harmful to amphibians as we live near water and have a pond. I can't find this in the local box store, so its a bonus that it is delivered to me!

I have been buying this exact product for years from the local store in town for $390 that worked great. I saw this and thought that it was a bargain, so I snatched it up. Well, I am not sure what is going on with this, but it is not working at all. It is the same color, but it is nowhere near as effective. The only thing that I can think of is that it was relabeled, and this is 2 sl instead of 4 sl, or maybe it has been cut somehow. Either way, it doesn't work. A lot of time and money was wasted. I want a refund!

Mixed 2 ounces of this with 2 ounces of glyphosate to one gallon and it didn’t kill or damage any vegetation, not weeds or brush. If it has any use you better use 5 ounces per gallon and cross your fingers. 2 ounce of 24D and glyphosate will always work.