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Best way to keep grass out of rock garden

Posted on 6/18/22 at 8:11 pm
Posted by FeeshTacos
BR
Member since Jul 2019
97 posts
Posted on 6/18/22 at 8:11 pm
Bought a house a year ago that had a pebble garden in the back yard directly bordered by grass (no divider). Grass has started to intrude on the rocks and after a 10 day long vacation, I came back to find the grass had started growing over the rocks.

I'm guessing some grass killing herbicide would do the trick in the short term, but what are some things I can do going forward to keep the grass from intruding again?
Posted by RichJ
The Land of the CoonAss
Member since Nov 2016
3151 posts
Posted on 6/18/22 at 8:21 pm to
Edger, and deep too
Posted by Twenty 49
Shreveport
Member since Jun 2014
18801 posts
Posted on 6/18/22 at 8:29 pm to
Read up on bare ground herbicides, also known as soil sterilants. Pretty radical and long lasting, so make sure it’s the right way to go before you pull the trigger.
Posted by Spankum
Miss-sippi
Member since Jan 2007
56102 posts
Posted on 6/18/22 at 8:50 pm to
You need some kind of edging,,, it could be timbers, rocks, pavers or some rolled edging. It doesn’t matter what form it takes, as long as you can run a string trimmer along side it every time you mow.
Posted by FriedEggBowL
MS
Member since Nov 2021
472 posts
Posted on 6/19/22 at 8:14 am to
Still gonna get weeds growing in there. Like goose grass. Gonna have to sterilize it
Posted by gumbo2176
Member since May 2018
15241 posts
Posted on 6/19/22 at 8:28 am to
Pretty much no matter what you do, there will be some weeds that are going to grow.

You can spray the area and lay down thick weed blocking material, but sooner or later weed seeds will find a way to take hold.

Cut and trim around the rock garden and clippings will find their way between the rocks and over time they decay and are ideal for weed seeds to take hold.
This post was edited on 6/19/22 at 8:45 am
Posted by Metariemobtiger
Mobile
Member since Aug 2019
420 posts
Posted on 6/19/22 at 1:54 pm to
What kinds of trees are around?
If there aren’t any hardwoods close, spray some imazapyr. Nothing will grow there for 2 years
Posted by PTBob
Member since Nov 2010
7072 posts
Posted on 6/19/22 at 4:43 pm to
Weed torch but be careful

Posted by FLOtiger
Member since Nov 2020
150 posts
Posted on 6/19/22 at 5:45 pm to
Aluminum landscape edging. Then edge it with your preferred cutting implement.
Herbicide to clean it up for now.
Posted by DownSouthDave
Beau, Bro, Baw
Member since Jan 2013
7386 posts
Posted on 6/20/22 at 9:48 am to
Any rec's on soil sterilants? I have two limestone driveways that are growing up big time and nothing will ever need to grow there.
Posted by LSUA 75
Colfax,La.
Member since Jan 2019
3708 posts
Posted on 6/20/22 at 11:11 am to
I have a rock garden and limestone driveway.I have backpack sprayer and spray with roundup about every 2 weeks.
Posted by DownSouthDave
Beau, Bro, Baw
Member since Jan 2013
7386 posts
Posted on 6/20/22 at 11:13 am to
I get that. But if there is a more permanent solution, I'm interested.
Posted by JRE1980
Member since Aug 2020
425 posts
Posted on 6/20/22 at 1:48 pm to
Don't have a rock garden.....problem solved
Posted by Diablo Senie
Member since Jul 2022
4 posts
Posted on 7/3/22 at 11:01 am to
You won't be able to remove all the weeds completely anyway. There is no 100% method to eliminate all unnecessary things once and for all. It is possible to use a herbicide that will kill most of the weeds. Next, if you want to grow your lawn, there are 2 main factors to consider:
The first factor is the consistency of the soil and its ratio
The ideal formula would be 40/40/20 (clay + sand + organic).
The second factor is the acidity of the soil you can measure it with a soil ph tester and then, on the way correct it.
This post was edited on 7/5/22 at 7:48 am
Posted by tiggerfan02 2021
HSV
Member since Jan 2021
2921 posts
Posted on 7/3/22 at 11:04 am to
quote:

Still gonna get weeds growing in there. Like goose grass. Gonna have to sterilize it




Or spot spray with Roundup. You just have to stay on top of it.
Posted by artompkins
Orange Beach, Al
Member since May 2010
5618 posts
Posted on 7/6/22 at 8:27 pm to
This. 41% glyphosate from your local feed store. Can't get the concentrated from Lowes or home Depot.
Posted by DMAN1968
Member since Apr 2019
10151 posts
Posted on 7/7/22 at 6:13 am to
quote:

spray some imazapyr. Nothing will grow there for 2 years

My gravel drive laughs at this statement.

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