Nutgrass


Joined
Oct 25, 2019
Messages
1
Reaction score
0
Country
Australia
Hi there,

I need help with nutgrass!I have nutgrass coming up in my vege garden. I’ve been told that painting each strand with turpentine will get rid of it. Does anyone know if this is true? Also will it poison any of my vege?

thank you!
 
Ad

Advertisements

Joined
Oct 25, 2019
Messages
54
Reaction score
11
Country
United States
Don’t just paint it in dump it on there needs a lot to kill it.
 
Joined
Feb 2, 2014
Messages
7,584
Reaction score
3,662
Location
Tarpley Tx
Hardiness Zone
8b
Country
United States
I know this sounds crazy but molasses kills nutgrass. It doesn't kill it quickly but it does kill it. Use 1 cup per gallon of water and pour this over a 10 square foot area. Do this once a month until the weed starts to turn yellow and then do it once more. It usually takes 3-6 months but I would rather benefit my garden soil by doing it this way than to use turpentine. I know turpentine will kill a small hackberry tree if poured around the base. I haven't used it in my garden and don't plan to
 
Joined
Nov 13, 2019
Messages
11
Reaction score
6
Country
United States
Molasses won't really kill it, the only thing you can do is pull it for temporary removal or use a chemical control like glyphosate(Roundup) or one of the furans(Sedgehammer). I know glyphosate is a bad word, but what works, works.

A while back at a training session the Ag rep had a 10 step program for nutsedge control that ended with the only known cure being move.:oops:
Turpentine is for paint cleanup, NOT!!! for gardening!! Don't use cleaning chemicals for garden pest control(Roundup is safer than turpentine by about 1000 times)
 

Meadowlark

Gardner, Angler, Adjunct Professor, and Rancher
Joined
Feb 5, 2019
Messages
297
Reaction score
269
Location
East Texas
Hardiness Zone
8
Country
United States
I agree w/cpp....and would add, 6 months of good old fashioned weeding will do the trick...followed by annual weeding diligence practices and the use of cover crops.

Over time, with cover crops, nutgrass just isn't a problem at all, but it does take some time. As an example, pictured below is my garden currently partially in cover crops in what used to be infested by nutgrass...no more nutgrass and spectacularly healthy garden soil.
cover turnips 2019.JPG
 
Last edited:
Ad

Advertisements

Joined
Feb 2, 2014
Messages
7,584
Reaction score
3,662
Location
Tarpley Tx
Hardiness Zone
8b
Country
United States
Molasses DOES kill nutgrass. The reason people who have tried it and failed is because they didn't apply it for long enough. The entire end portion of my garden was full of the stuff. I mixed 1 cup of molasses per gallon of water and spread it over about 6-10 square feet. I did this every 2 weeks. I used a lot of molasses but within 4 months the nutgrass disappeared and I haven't seen a sprig of nutgrass in 4 years. Whether it really killed it or just chased it off I don't know, but, I do know it isn't there anymore. One cannot just pull up nutgrass like you do weeds. You will leave nuts in the soil. I suppose one could dig up the soil and sift it to remove all of the nuts but that is more labor than I want to do. I tried Roundup (glysophate) and it killed the tops but not the nuts. Sedgehammer is a conglomerate of nasty long lasting chemicals that I would never put in a vegetable garden
 
Last edited:
Ad

Advertisements


Top