Pre-Emergent Applications in landscape beds

[patmorrissey72]

I was wondering if anyone else out there had any tips or tricks for landscape beds. We service a lot of condos and commercial properties and would like to cut down on the labor costs involved in weeding. Right now we typically try to use snapshot during the spring during mulch installations. I dont know if we are doing this in the best way. Should the snapshot go under/above the mulch? Also, I know that the manufacturer reccomends that the product be watered in within a period of time. Sometimes this is not always very practical for us. I have been doing some research and found that gallery plus dimension in a liquid application also works well, anyone try this? Any other tips or tricks would be appreciated.

Thank you

[MStine315]

I use snapshot during the spring before major weed growth. I then follow up with Roundup and Surflan, Pennant, or other pre-emergent in a tank mix during the season. You'll never 100% eliminate hand weeding, but this is the strategy that has been the most successful for me.

[olive123]

i use gallery and barricade quite often for weed control in medians. I like it for the varietyof plants i can spray over the top. It works very well.

[LawnTamer]

If you are applying over mulch, you need to water before and after application. I don't know that there is anything better than Snapshot.

[Duekster]

If you are applying over mulch, you need to water before and after application. I don't know that there is anything better than Snapshot.

How about rubber mulch?

[scweedman]

Snapshot is a good product timing is everything.

[Neal Wolbert]

Ditto on the Gallery/Barricade...hard to beat in my book.

Check out this link regarding rubber mulch. http://www.puyallup.wsu.edu/~Linda%20Chalker-Scott/Horticultural%20Myths_files/index.html

Neal

[scweedman]

Gallery/Barricade what do each one do in the mix. I know barricade is a
preemergent but don't know much about gallery

[Neal Wolbert]

Regarding above link...click on the Horticultural Myths tab and look at the 2005 entries for the info.
Neal

[Neal Wolbert]

Gallery for the broadleaves, Barricade for the grasses, both pre-emergence only.
Neal

[Duekster]

Regarding above link...click on the Horticultural Myths tab and look at the 2005 entries for the info.
Neal


CGM does work for many conditions.

[Neal Wolbert]

Is this your personal experience? If so, please explain.
Neal

[ArizPestWeed]

The best weed stopper is "BarK" or some kinda mulch .

If there is a thick blanket of mulch type stuff there , premeregnce is worthless.
But then , there should be no weeds

[olive123]

i have to disagree with the worthless line. I was given 8 medians that were to be replanted with about 50 plants each. thryallis,plumbago,ligustrum. these medians are being watered with effluent water so the weeds are constant.
Used them as an experiment, figured I had lots of excuses they didnt make it.
I was to spray the beds with ru 2 days before they replanted then when they finished i went behind them with prem's before the mulch went down.
I used gallery/barricade on some, left some alone, and figured what the hell and used ronstar over the top of the mulch on some others. The gallery/barricade did the best but the differences arent overwhelming.
I go back this week to work and will comment on the progress this was done about the middle of November.

[Duekster]

Ditto on the Gallery/Barricade...hard to beat in my book.

Check out this link regarding rubber mulch. http://www.puyallup.wsu.edu/~Linda%20Chalker-Scott/Horticultural%20Myths_files/index.html

Neal

That has nothing to do with the question of use of Pre-Emergent such as snap shot now does it?

[teeca]

i use gallary/pendulem 3.3ec, pretty cost effective.

[ArizPestWeed]

If there is enough mulch , prem is not necessary .
This is not true for all situations , most all.

How do you know how many weeds would of grown with out any prem or mulch ?


We don't .












































i have to disagree with the worthless line. I was given 8 medians that were to be replanted with about 50 plants each. thryallis,plumbago,ligustrum. these medians are being watered with effluent water so the weeds are constant.
Used them as an experiment, figured I had lots of excuses they didnt make it.
I was to spray the beds with ru 2 days before they replanted then when they finished i went behind them with prem's before the mulch went down.
I used gallery/barricade on some, left some alone, and figured what the hell and used ronstar over the top of the mulch on some others. The gallery/barricade did the best but the differences arent overwhelming.
I go back this week to work and will comment on the progress this was done about the middle of November.

[scweedman]

I have to agree more mulch less weeds

[teeca]

weeds will grow in mulch, too much mulch can lead to plant death, fungi, disease, insect infestations and the inability of water and nutriants to reach the soil, stays trapped in the mulch.

[scweedman]

I use pinestraw but im in the south

[Prolawnservice]

I get the best results from gallery and lesco pre-m under about 2" of new triple shreaded mulch, one shot in the spring and RU w/gallery and pre-m for any breakthru.

[Neal Wolbert]

That has nothing to do with the question of use of Pre-Emergent such as snap shot now does it?

Sorry, I thought you might want some feed back on rubber mulch when you posed the question.
Neal

[HydroCutter]

When you spray RoundUp, you have to hit the weeds specifically. What is good to put down that can be sprayed over plants and everything that would only kill weeds?

[Duekster]

Sorry, I thought you might want some feed back on rubber mulch when you posed the question.
Neal

I know the pro's and cons about rubber mulch. We are doing soil test where we put it down.

[Duekster]

Is this your personal experience? If so, please explain.
Neal


Sure CGM works. It has a much smaller window of timing. You have to water it in. It can smell if you put it down to heavy and close to the house.

I would have no problem using it on a residential site and applying it twice in the spring. It would actually be your fertilizer and pre-em.

No way you use it commercially.

If you are interested you should get a bag or so and try in somewhere.

[Duekster]

When you spray RoundUp, you have to hit the weeds specifically. What is good to put down that can be sprayed over plants and everything that would only kill weeds?

It is a contact material and it will kill most anything.

[MStine315]

If you have grassy weeds, Fusilade is labeled for over-the-top of SOME plants. "Always read and follow label directions," as it will list what is tolerant. I can't think of any other POST emergent controls of the top of my head. That's why you'll never eliminate hand weeding, but you can greatly reduce it with over-the-top pre-emergents. The mowing guys I provide this service for have eliminated dedicated weeding crews and turned over to the mowing crews. It is a case by case basis on how well it works and how tolerant the client is as to 2 or 3 spot treatments of Roundup per year on small weeds as opposed to having no weeds.

[Neal Wolbert]

Sure CGM works. It has a much smaller window of timing. You have to water it in. It can smell if you put it down to heavy and close to the house.

I would have no problem using it on a residential site and applying it twice in the spring. It would actually be your fertilizer and pre-em.

No way you use it commercially.

If you are interested you should get a bag or so and try in somewhere.

We have seen no success in the Northwest on the University level to support the use of CGM for pre-emergence weed control, so it's always interesting to hear of someone like yourself who thinks differently. Tom Cook from OSU gave it one of the best tests I've seen so far and his findings are on the following link...

http://extension.oregonstate.edu/news/story.php?S_No=956&storyType=garden

Your thoughts?

Neal