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Main Forums => The Roundtable => Topic started by: Perd Hapley on June 01, 2010, 10:48:36 PM

Title: Good product for murdering grass/weeds?
Post by: Perd Hapley on June 01, 2010, 10:48:36 PM
I have a couple of "flower beds" that I need to napalm and mulch over.  What is a good product for killing and mutilating the corpses of all grass and weeds in an area?
Title: Re: Good product for murdering grass/weeds?
Post by: cassandra and sara's daddy on June 01, 2010, 11:15:37 PM
how long you want it barren and is it inside the drip line of anything you want to keep alive?
Title: Re: Good product for murdering grass/weeds?
Post by: sanman on June 01, 2010, 11:23:26 PM
how long you want it barren and is it inside the drip line of anything you want to keep alive?

When it absolutley, possitively must be defoliated overnight....

call c&sdaddy

edited for accuracy
Title: Re: Good product for murdering grass/weeds?
Post by: charby on June 01, 2010, 11:33:32 PM
Round-up or a generic equivalent
Title: Re: Good product for murdering grass/weeds?
Post by: cassandra and sara's daddy on June 01, 2010, 11:34:50 PM
ground clear gives the carthage effect for a year
Title: Re: Good product for murdering grass/weeds?
Post by: roo_ster on June 01, 2010, 11:40:07 PM
I like the old-school Roundup concentrate or the generic concentrate.  Takes a week to do its work, but when its dead, it ain't coming back this side of an act from God.

I mix as directed, but include a healthy amount of surfactant, meaning, I buy a bottle of cheap pink dish soap or laundry detergent and add some into the mix.  Usually 1 cup/gallon of mix.  Much, much more effective than than just herbicide concentrate & water.

Woody stuff will take a very high concentration or you'll have to use something else that would outrage the enviros(0).  Also, some vines & ground cover are resistant.  My neighbor's asian jasmine requires similarly high concentrations.


(0) Diesel fuel
Title: Re: Good product for murdering grass/weeds?
Post by: Perd Hapley on June 02, 2010, 12:08:42 AM
Thanks for the suggestions. 

These are some areas up against the front of the house, separated from the rest of the lawn by a two-high wall of landscaping blocks.  Right now, they only have grass and weeds. I will probably never try to plant anything there, but in the near term, I want the house to look less crappy for an appraisal.

Title: Re: Good product for murdering grass/weeds?
Post by: Northwoods on June 02, 2010, 12:12:40 AM
(0) Diesel fuel

With or without a match?
Title: Re: Good product for murdering grass/weeds?
Post by: Northwoods on June 02, 2010, 12:20:00 AM
With or without a match?

And within that vein, I cannot believe that no-one has mentioned the most obvious and effective solution: detcord.
Title: Re: Good product for murdering grass/weeds?
Post by: RoadKingLarry on June 02, 2010, 12:20:20 AM
41% Glyphosate concentrate. 2 oz to the gallon for general weed and grass killing.  Double it for hard to kill stuff. Full strength works for a stump killer. It isn't quick but it will do the job.
Title: Re: Good product for murdering grass/weeds?
Post by: roo_ster on June 02, 2010, 12:27:43 AM
41% Glyphosate concentrate. 2 oz to the gallon for general weed and grass killing.  Double it for hard to kill stuff. Full strength works for a stump killer. It isn't quick but it will do the job.

Thank you for remembering the active ingredient.
Title: Re: Good product for murdering grass/weeds?
Post by: Waitone on June 02, 2010, 08:04:29 AM
Only thing better than Roundup is a hungry goat.

Second the dish soap.
Title: Re: Good product for murdering grass/weeds?
Post by: S. Williamson on June 02, 2010, 08:08:05 AM
(https://armedpolitesociety.com/proxy.php?request=http%3A%2F%2Fthebsreport.files.wordpress.com%2F2009%2F07%2Fhoe-1272.jpg&hash=1bb47d71093f97b0365ec82f398c72a791c22a07)

 ;)

and detcord.
Title: Re: Good product for murdering grass/weeds?
Post by: Harold Tuttle on June 02, 2010, 08:19:24 AM
My back lot is being overrun with Crown vetch

2-4D is the first test
Title: Re: Good product for murdering grass/weeds?
Post by: HankB on June 02, 2010, 08:23:50 AM
And within that vein, I cannot believe that no-one has mentioned the most obvious and effective solution: detcord.
Nuke it from orbit . . . it's the only way to be sure.

Round-Up is the "name" brand for the most popular glyphosate-based vegetation killer, which means it's usually quite a bit more expensive than other brands with the same active ingredient.

As others have mentioned, buy the concentrate (read the label to find the concentration) and mix your own - the pre-mixed stuff is diluted, and much of what you pay for there is simply water. (And if you mix your own, you can increase the concentration AND add a surfactant, as already mentioned.)
Title: Re: Good product for murdering grass/weeds?
Post by: charby on June 02, 2010, 09:21:23 AM
My back lot is being overrun with Crown vetch

2-4D is the first test

2-4D works for broad leaves, not so much on grasses.

Title: Re: Good product for murdering grass/weeds?
Post by: Larry Ashcraft on June 02, 2010, 10:01:53 AM
I use a mix of Landmaster (6 oz/gallon) and Trimec Plus (2 oz/gal) and a surfactant ( 1/2 cup soap per 4 gallons).  Kills everything in a couple of weeks.  Landmaster is a mix of generic Roundup and 2,4-D.  the 2,4-D gives a quick kill on the broadleaf stuff and the Roudup kills everything in about two weeks.  Trimec Plus is made for wild grass, but it works great on broadleaf plants too.

Trouble with LandMaster is, I've never seen it in smaller quantities than 2.5 gallons.  It's about $60 at farm supply stores.  Trimec Plus runs about $50/gal.
Title: Re: Good product for murdering grass/weeds?
Post by: Fly320s on June 02, 2010, 12:01:17 PM
High strength vinegar and sunlight works well, if you feel like going organic.
Title: Re: Good product for murdering grass/weeds?
Post by: zxcvbob on June 02, 2010, 12:21:37 PM
Quote
Nuke it from orbit . . . it's the only way to be sure.
Is that from one of the Alien movies, or from South Park?  I can visualize it either way.

Anyway, Walmart sells an of-brand of 40% glyphosate that's a lot cheaper than Round-Up.  Works great but a little slow.  (If you could mix it with something containing a contact herbicide like diquat, it would work a *lot* faster.)

If there are a lot of brambles, poison ivy, honeysuckle, etc, you might look for an old product called Ammate X (ammonium sulfamate)  One good think about sulfamate is its breakdown products are actually *good* for the soil.
Title: Re: Good product for murdering grass/weeds?
Post by: Zardozimo Oprah Bannedalas on June 02, 2010, 12:49:55 PM
Agent orange.
Title: Re: Good product for murdering grass/weeds?
Post by: cassandra and sara's daddy on June 02, 2010, 12:57:29 PM
we used to use "tri ox"  it was banned and is back now as groundclear slightly diluted  the old formula we'd spray the weeds in the driveway and sidewalks and then cut the grass they would be turning black before we left
Title: Re: Good product for murdering grass/weeds?
Post by: Unisaw on June 02, 2010, 01:20:00 PM
rooster, what is the purpose of adding the surfactant?
Title: Re: Good product for murdering grass/weeds?
Post by: Scout26 on June 02, 2010, 01:26:04 PM
rooster, what is the purpose of adding the surfactant?

Makes it stick to the leaves, so it doesn't drip/get washed off.
Title: Re: Good product for murdering grass/weeds?
Post by: charby on June 02, 2010, 01:34:05 PM
Makes it stick to the leaves, so it doesn't drip/get washed off.

and it cuts the surface tension of water. (which plants are composed a lot of)

Title: Re: Good product for murdering grass/weeds?
Post by: roo_ster on June 02, 2010, 01:37:21 PM
rooster, what is the purpose of adding the surfactant?

What they said.
Title: Re: Good product for murdering grass/weeds?
Post by: roo_ster on June 02, 2010, 01:44:31 PM
With or without a match?

No match.  You want it to stick & do its work on the whole plant.
Title: Re: Good product for murdering grass/weeds?
Post by: AmbulanceDriver on June 02, 2010, 01:46:17 PM
Some plant have an oily coating on their leaves that the surfactant helps cut through.
Title: Re: Good product for murdering grass/weeds?
Post by: Harold Tuttle on June 02, 2010, 02:15:22 PM
crown vetch is a legume
Title: Re: Good product for murdering grass/weeds?
Post by: 230RN on June 02, 2010, 02:30:19 PM
Astroturf.

(But then again, I'm the kind of guy who spray-painted a dead bush green once 'cause some people were coming over.)
Title: Re: Good product for murdering grass/weeds?
Post by: Fly320s on June 02, 2010, 02:57:51 PM
crown vetch is a legume
And Kudzu is edible.  Seriously.

The leaves and stems can be eaten like an other greens, and the roots can be dried, ground, and added to soups or stews as a thickening agent.
Title: Re: Good product for murdering grass/weeds?
Post by: 280plus on June 02, 2010, 04:48:46 PM
What about covering the area with black plastic or the muslin (sp?) stuff? You do want other stuff to grow afterwards, no?
Title: Re: Good product for murdering grass/weeds?
Post by: S. Williamson on June 02, 2010, 04:56:42 PM
What about covering the area with black plastic or the muslin (sp?) stuff? You do want other stuff to grow afterwards, no?
This.  Round-up is good for walkways, driveways, pavement, etc. where Nothing Must Grow There Ever Again.  That's why I suggested the garden hoe. and detcord.
Title: Re: Good product for murdering grass/weeds?
Post by: charby on June 02, 2010, 05:10:58 PM
crown vetch is a legume

Still a broadleaf.

Honey Locust is a legume also.

Title: Re: Good product for murdering grass/weeds?
Post by: sanman on June 02, 2010, 05:29:50 PM
This.  Round-up is good for walkways, driveways, pavement, etc. where Nothing Must Grow There Ever Again.  That's why I suggested the garden hoe. and detcord.

You can spray Roundup and 2 weeks later till or plow everything under and plant veggies. Different length of time for each type of Roundup formula. Decades ago I used to spray it and 2 weeks later till the area and plant either grass or landscape plantings.

Ground clear, etc., last longer and the ground is unusable longer.
Title: Re: Good product for murdering grass/weeds?
Post by: Perd Hapley on June 02, 2010, 05:32:25 PM
I will never plant anything there.  When we sell the house a few years from now, the next resident may wish to plant something there.  How long does glyphosate/Round-up last?

Oh, thanks sanman.
Title: Re: Good product for murdering grass/weeds?
Post by: charby on June 02, 2010, 05:41:29 PM
I will never plant anything there.  When we sell the house a few years from now, the next resident may wish to plant something there.  How long does glyphosate/Round-up last?

Oh, thanks sanman.

The beauty of roundup is that it breaks down relatively quickly so there is no residual effects.

If you really don't want any weeds in there, cover with landscape cloth and cover that with mulch, rocks, etc after the herbicide application and plant mortality.

Title: Re: Good product for murdering grass/weeds?
Post by: RoadKingLarry on June 02, 2010, 05:58:38 PM
With the Glyphosate you can replant some things as soon as three days after application. I will usually wait a week and I've had no problems.
Hot humid days are your best days to spray, the plant tends to "open up" and take in the moisture better making a little quicker kill.
Title: Re: Good product for murdering grass/weeds?
Post by: 230RN on June 03, 2010, 06:17:22 PM
Gee, I thought all the "cover with plastic" suggestions were covered by my astroturf suggestion.

Humph!  <exits with exaggerated Miss Piggy indignant flounce.>

Terry, 230RN
Title: Re: Good product for murdering grass/weeds?
Post by: KD5NRH on June 04, 2010, 05:09:32 AM
High strength vinegar and sunlight works well, if you feel like going organic.

How much water can you boil and handle at once?  Vinegar can take a couple of days, but scalding them works in hours.
Title: Re: Good product for murdering grass/weeds?
Post by: RaspberrySurprise on June 04, 2010, 11:43:39 AM
(https://armedpolitesociety.com/proxy.php?request=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fen%2Fthumb%2Ff%2Ff1%2FUS_m2_flamethrower.jpg%2F767px-US_m2_flamethrower.jpg&hash=9bbb12074bcc3d1890e36cea13b069a457bb3b9e)

This ought to do it
Title: Re: Good product for murdering grass/weeds?
Post by: 280plus on June 04, 2010, 12:06:42 PM
I was just coming here to toss in the flame thrower idea. Can't believe it took us this long. We must be slipping.  :lol:
Title: Re: Good product for murdering grass/weeds?
Post by: roo_ster on June 04, 2010, 12:16:33 PM
I was just coming here to toss in the flame thrower idea. Can't believe it took us this long. We must be slipping.  :lol:

Maybe we got tripped up by the det cord?
Title: Re: Good product for murdering grass/weeds?
Post by: RocketMan on June 04, 2010, 05:48:19 PM
High strength vinegar and sunlight works well, if you feel like going organic.

SWMBO recently did this to kill some grass coming up around the edges of our raised beds.  She added a little dish soap to aid adhesion to the grass.  It worked very well, killing all the treated grass in little more than a day.
Title: Re: Good product for murdering grass/weeds?
Post by: 280plus on June 04, 2010, 06:11:34 PM
Maybe we got tripped up by the det cord?
Yea, I hate when that happens.  =|
Title: Re: Good product for murdering grass/weeds?
Post by: lupinus on June 04, 2010, 06:30:22 PM
If you want to go natural and have a few weeks water the area well and then put some clear heavy duty plastic sheeting over the area and secure it with stakes or similar.

The plant and roots will cook under the plastic, especially with the summer season moving in.

Or if you don't wanna wait, Roundup.
Title: Re: Good product for murdering grass/weeds?
Post by: 280plus on June 04, 2010, 06:48:14 PM
Yup, I used aluminum gutter spikes and fender washers. I doubled the edges over before I spiked them down. Works like a charm. I also cut 3 sided holes for the plantings, folded the flap under and then spiked it down in there too. One spike per flap.