May 2009 Archives


We applied a pre emerge during the winter and it worked well. Its now spring and I want to know if I should apply it again. I think the label said it should last 3-4 months so I want to be sure I don’t get any weeds since the grass is looking great.

Stopping weeds before they ever grow is the best way to manage your lawn. Weed control is best handled before they germinate and the way to accomplish this is to use a good pre emergent. Though some products say they can last a year, it’s usually best to use one that will require a twice-a-year routine. This way you insure good coverage and protection in case there is something in your yard that makes the normal longevity of an application wear down prematurely.

As listed in the lawn section of our WEED CONTROL article, SURFLAN would be the best liquid to apply providing 3-4 months of weed protection. If you prefer to apply a granule, go with the WEED AND GRASS STOPPER. Both will last a few months and can be applied over most any grass.

Stopping weeds from ever growing is the best way to manage your lawn. It’s easier on all the plants involved, costs less in the long run and is quite effective given the excellent products we have on the market today.

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I have crabgrass growing in my centipede and would like to treat it. I used something a few years ago that hurt the good centipede so I’m not sure if I can spray anything. Any ideas?

Centipede grass is sensitive to many chemicals and this is especially true for active ingredients that target crabgrass. The one product we have that works well is ATRAZINE. It’s Ok for the Centipede as long as you follow the label and guidelines we have listed in our WEED CONTROL ARTICLE. Once you get the crabgrass under control, it would be a lot better to stop it from ever growing by using one of the Pre Emerge products we have listed in the article.

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I have several types of weeds growing in my yard and need to do some weed control. I don’t see any crabgrass but there are a lot of vines growing as well as some big leafed plants that look like oak of some sort. Is there anything I can spray which won’t hurt my fescue but kill these weeds?

There are several selective herbicides you can apply that will only target the broadleaf weeds and not hurt the fescue. I suggest you read our WEED CONTROL ARTICLE and focus in on the LAWN GRASS WEEDS section. Here you’ll find all the best choices of what to use.

At this time, I think you’re choice will depend largely on how large of an area you plan on treating. Either the BROADLEAF WEED KILLER RTS or the BRUSH KILLER will probably do the trick. The thing about broadleaf weed control in lawns is that many times there are weeds growing you don’t see. If you only choose to treat a small area where you currently see them growing, many times you’ll note “new” growth in the untreated sections of the lawn. Avoid this by treating it all one time. This is usually the most effective way to handle post emergent applications – especially in lawns.

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I have several pine islands around my property I’d like to keep weed free. I’ve tried using weed guards under the pine straw but the weeds just keep growing in the straw which is laying on the guards. Is there anything I can spray here that won’t hurt other ground cover or my grass but will stop weed from growing?

There are a few options as listed in our WEED CONTROL article. The best option would be to apply SURFLAN 2-3 times a year. This pre emerge liquid will stop all seeds from being able to germinate. This means you won’t get any growth from any seeds that find their way into the straw.

The extreme option would be to apply some PRAMITOL but as a soil sterilent, this would make the soil incapable of growing anything for upwards of a year so don’t apply any unless you are 100% sure you don’t want anything growing. Generally this product is best used where in driveways, parking lots, etc.

The last option would be a product that will allow all the plants to grow but at a less rate. EMBARK is a growth regulator which means it won’t kill anything; it simply slows the growth rate so you won’t have to mow or trim the plants growing in the areas that are treated quite as much.

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I sprayed 6 oz. per gallon on the catails in my pond and was wondering how long should it take before I start to see them dying back?

If you review the ERASER AQ LABEL, you’ll note it takes at least one week for them to show any signs of the treatment. And since cattails are mostly tan to brown naturally, it might take even longer for you to see for sure. I would wait two weeks before I attempted to remove them just to be sure the ERASER AQ has had plenty of time to take effect.

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I’ve got bermuda grass creeping into my flower beds and would like some kind of herbicide to kill it. Is there anything available that won’t hurt my flowers or ground cover but will get the bermuda?

The best product to isolate just the bermuda would be POAST GRASS KILLER. You can use it to kill most any grass that grows in flower beds, pine islands and basically anywhere other than the actual yard itself (unless you want to kill your good grass too…). You can see it on line in our WEED CONTROL ARTICLE along with all our other weed products.

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Can you use poast grass killer on strawberry beds?

Poast grass killer has strawberries on it’s GRASS KILLER LABEL. I would make sure to use a clean PUMP SPRAYER when doing the application so you don’t contaminate the plant with some other residual. But as you can see on the label, it can be used for many plants including strawberries.

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I’ve got st augustine grass and have just noticed crabgrass in one section. I did a good inspection and it seems to be limited to one section alongside my home. I don’t want to hurt my lawn with any spray but it’s in so many locations I don’t think pulling it alone will do the trick. Is there something I can spray that will be Ok for the st augustine?

St Augustine grass is a little more sensitive compared to bermuda and fescue and it’s always smart to make sure you use something that’s labeled for it specifically. Many of the sprays we commonly use on other turf cannot be applied to st augustine. But if you read through our WEED CONTROL article, you’ll see a section on controlling weeds in turf and for St Augustine, you’ll find we have a product called ATRAZINE which won’t hurt St Augustine. To be safe, always do the treatments late in the day, after 6:00 PM, and not anytime around midday.

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I’ve got some weeds in my lawn and would like to get some herbicides to spray. The problem is I don’t know where to start when it comes to deciding what to use. There are just so many options I’m a bit confused. What do you suggest?

First, I suggest you read through our on line artilce about WEED CONTROL which simplifies the process of deciding what products can be used for your situation. We’ve presented the product options based on where the different treatment areas so you should be able to find a herbicide that will be ideal for your grass pretty quickly. Just go to the GRASS WEED CONTROL section and all our recommendations can be clicked on to view pricing and mixing directions. If you still need further help, please give us a call at 1.800.877.7290.

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What do you recommend for bermuda grass control in a vegetable garden? I grow a wide range of vegetables and fruits including asparagus, strawberries and onions. I need something that won’t affect the plants or crop in case I spray too close.

There are several options for controlling bermuda grass that’s growing in or around your garden. The most common is a selective herbicide known as GRASS KILLER. It does a good job on the bermuda but won’t harm most broadleaf plants. It’s labeled for use in most gardens but just refer to the LABEL to be sure you don’t spray any plant it may be able to damage. With gardens, if you watch where you’re spraying, a lot of times you can avoid overspray and not harm the good plants with a little care. Since Grass Killer can actually be sprayed on many vegetable plants directly, the risk of damaging them is minimal. See this product, along with several others we carry, in our WEED CONTROL ARTICLE.

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