I had an area about 15 x 30 near the front door to the house that I mapped out as a test area where I would test different weed control methods. Surflan (active ingredient oryzalin) is a preemergence herbicide so I don’t expect it would do anything for chinch bugs. About 400 sf of that was very nice mature St. Aug/Floratam. Cover the weeds' leaf surfaces completely with the baking soda. Good luck to all you soldiers in the fight against weeds. And separately at the end you mention preemergence herbicide in connection with crabgrass. Test the pH of the soil with a soil testing kit or contact a university extension service to test the soil … I will try the dry application method today. Let’s just say that you could see a good white dusting on all of the weed areas when I was done. If so, how much should I apply and how many times should I apply it to kill the Crabgrass? Please let us know how the sodium bicarbonate (baking powder) works after the second application. To kill them, I tried out baking soda as a few people recommended. The Scotts guys actually make a line of golf products which are very good, but you’re not going to be finding them in your local hardstore. It is important for rabbit owners to know the safety concerns and misconceptions involved with baking soda. Follow these steps to kill ants with baking soda: Mix equal parts confectioners sugar and baking soda in a cup. Good luck! If you do not have baking powder, use plain cornmeal without water, and spread it over the infected area. The good news is that the crab grass is concentrated in limited areas but it is spreading.) These bubbles will block the pipelines inside the beetle, leading to the fatal death of the beetle. Temperatures above 85 degrees Fahrenheit help speed the treatments' results. The rapid results suggested some kind of sudden shock, maybe osmotic. The good news is that the St Augustine will fill it back in within a few months. Pour the vinegar over the stain, and the baking soda is going to begin to fizz. Baking Soda Can Kill Fleas. No other selective postemergence herbicide has been developed that controls mature crabgrass in St. Augustinegrass. If there were a “pro” product that works, I don’t know what it is. And no, I don’t work for Lesco. I was quite skeptical of the baking soda idea, and I don’t know how much harm it does to St. Augustinegrass, but in my one experience using baking soda on crabgrass, it was completely defoliated, which was amazing. You can go to BJ’s and buy baking soda in 12lb bags for around $5 a bag. The three main points from it are: 1 – supply nutrients for the grass, 2 – kill weeds, and 3 – kill bugs. Sprinkle salt and baking soda liberally on your carpet or affected area, and leave it overnight to dehydrate the larvae and eggs. My question is, what do you do after the crabgrass dies? 3 – You can buy 50lb bags of bicarb at your local feed store – you’ll pay about $25 – but if you try to buy it somewhere else it will probably be double that. It seems to work on the grass leaf. Well, I have the winter to plan and will post photos next summer. Because it is a salt, baking soda can damage the grass … Make a baking soda based flea spray: Use this for your pooch or your cat – your kitty will much prefer a gentle spray of this formula to be dunked into a baking soda bath. Dump handfuls of baking soda over the tops of weeds growing in the cracks of driveways and sidewalks. If so, how much should I apply and how many times should I apply it to kill the Crabgrass? I will perform all of the actions listed I just believe that you need to adjust the frequency of the applications for sun/temp/rain/etc…. For one of the best remedies for killing weeds and grass where they shouldn’t be growing, start by wetting the soil so that it is moist but not overwatered. Sounds like you’ve got it on the run. When used for lawn care, it is known to kill moss. Hansen's work appears regularly in consumer and trade publications, as well as numerous internet gardening and lifestyle channels. Some people say that baking soda is an effective weed killer, especially when it comes to Dollar Weed. You want to start with a carpet that's as clean as possible. The key to baking soda seems to be: wet the grass then apply a light coat of baking soda. A good dehumidifier must also be run during this period, since fleas need a humid environment to survive. It seems like with all of the rain we’ve been getting it is gone in about that amount of time. So does this baking soda trick kill more weeds than just carpet grasses? Yes, it works! I’m using baking soda (sodium bicarbonate or sodium hydrogen carbonate) with great early results. My neighbor showed me the trick. I have overlapping areas of St Augustine and centipede with the crabgrass. Step 3. If you are using soap, mix 2-4 ounces with two gallons of water. as far as the scott’s products go, there’s nothing particulary magical with them, they’re definitely not the best products on the market, and as for the baking soda- just forget it. Moisten the weeds with water using a mist from your hose, if they are not already wet. Step 5. turftajar – posted 30 November 2005 13:33. Maybe adding a surfactant or spreader/sticker would improve results. Any help would be appreciated.”. 1st – the fertilizer that I was using was okay – the main use for it in my book now is to supply nutrients not kill weeds. The weed turns black in a few days. These home remedies will have you using cayenne pepper, citrus oil, baking soda, lemon juice, pepper spray, and distilled white vinegar for carpet, for furniture, and for lawns. Does anyone out there know if I can spray baking soda from a hose sprayer to kill the Crabgrass and start taking back my yard? So much crabgrass appeared in my lawn in July. Alternatively, fill a kitchen flour sifter with baking soda. If you are impatient, get plugs. Next, sprinkle a teaspoon of baking soda over the top of the entire weed, including the leaves and the soil surrounding the base. Thanks for the awesome advice about using baking soda for treating crabgrass in St Augustine. As in the other posts, the crabgrass turns black, but the baking soda doesn’t harm the St. Augustine. Vacuum your carpet first. It handles the heat and water schedule much better than St. Augustine in the peak of summer. Now the question is whether you should apply baking soda by itself or mix it with something else. To use baking soda as an insecticide, you need baking soda and confectioners sugar. Damaged severely, weakened plants die. Step 2. I have a mixed St. Augustine/Centipede lawn in Atlanta that I have labored over and lovingly applied Ringer Lawn Restore (best “natural” fertilizer ever) and Image for St. Augustine and Centipede twice a year (hate using poisons but what do I do?). Use two scoopfuls of arm and hammer powder soap in a gallon of water. I started a weed treatment attack in early summer of 2011. After 5-6 weeks I noticed that most of the weeds were growing again and like others who have posted earlier noticed that the crabgrass seemed to benefit from the fertilizer. 2nd – kill weeds – the new deal here is the bicarbonate – more on this later. Ringer is wonderful stuff (can get it delivered for free to your nearest affiliated hardware store by going to dottiest.com) and the Image keeps my lawn mostly free of weeds except for crab grass, which kicked my but last year. It doesn’t do any good if you put it on really heavy if it doesn’t stay on the leaf. THAT DID THE TRICK – within two days ALL weeds were showing distress and within 4 or 5 weeks the weed areas were bare. Try pouring a bit of … Now this is just my reasoning but it seems to me that the longer that the bicarb is on the weed leaf the more thoroughly it will kill it. Baking soda is a great way to absorb odors and clean in the human world. Try not to damage nearby desirable plants. A large box might be good for 400 square feet the way I was spreading it. I tried mixing a small box of baking soda in 2 gallons of water and applying it with a backpack sprayer. i would wonder why you’re having “crabgrass” problems with the st. augustine- it’s usually so thick nothing can get in. When I tried it, the baking soda turned the crabgrass leaves black and shriveled within 24 hours. I agree with you on the Scott’s products – they are primarily designed for northern grasses. Hunker may earn compensation through affiliate links in this story. Then to top if off I had a chinch bug infestation late summer which killed one small section of my lawn and a weakened a large swath in back. Along with killing the beetles, it can also be used to get rid of these beetles. It dosen’t seem to harm the other grass. Some things I noticed: “Does anyone out there know if I can spray baking soda from a hose sprayer to kill the Crabgrass and start taking back my yard? Another treatment later in a different area proved this to be correct. Toss handfuls of baking soda over the tops of weeds growing in the cracks of driveways and sidewalks. Why is this cried weed man? The rest of the lawn is a cornucopia of weeds – mostly southern crabgrass. The folks at Peterson’s said that they go out with a water bottle sprayer and a sifter of bicarb and get after those evil weeds. I will let the bicarb continue to work and will probably hit any areas where I might have missed and once I feel that all of the weeds are gone. Jolene Hansen is a lifelong gardening enthusiast and former horticulture professional. It dosen’t seem to harm the other grass. Ensure you use a good preemergent to keep more spots from springing up. Carpetgrass can be easily identified by its pale green or yellowish-green color. I’ve fought this crabgrass by hand, Scott’s preventer, atrazine, resodding for so long … none of that works except the manual labor and the manual labor is an ongoing neverending painful battle. All of the other actions help but are not critical in my book. i can’t imagine a situation where crabgrass would be a problem ( provided that it’s truly crabgrass). The baking soda method is a new one for me, one I am looking forward to trying next year. Greeting and salutations from Lakeland, FL to all of my fellow weed ninjas. My front yard is about a half acre and used to be solid St. Augustine until this year. I lay it on pretty thick. Aparently it’s the pH levels in the baking soda that kills the crabgrass and spares the st augustine. I have used the baking soda to kill crabgrass. Alex_in_FL – posted 25 February 2006 07:52. Also, and this is BIG, the crabgrass has to be growing again after the mowing. Treated weeds should turn brown or black within a few days. Treat the carpet with baking soda; Cover it all with a layer of the product. In the first picture I posted above how the grass is brown around the plants? Fill a nylon, knee-high stocking with baking soda. I live in SC and have a beautiful lawn of crabgrass with a little bit of bermuda patches. Yeah, you see some ugly dirt spots, but I think it’s better than black crabgrass spots. Using baking soda requires its proper application and a diligent follow-up to eliminate weeds. Since that time the StAug has been growing like crazy and even without adding plugs or sod is filling the area in via runners growing straight out and then creating more runners from the nodes growing perpendicular from the original runners. I would just sod the area but I’m trying to save a buck or two in the process. Copyright © 2020 Phil Busey Agronomy Consulting Inc. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Paspalum grass for lawn | Walter Reeves: The Georgia Gardener, Identification and History of Bitterblue St. Augustine – Turfgrass Producers of Florida, Identification and History of Bitterblue St. Augustinegrass. Astute observation. Yes, we can use Baking soda to kill the Carpet beetles effectively. Ahhhh crap, tell me I didn’t kill my grass. 3rd – use of a good pesticide to kill chinch bugs and mole crickets. Sweep any spilled baking soda on the driveway or sidewalk into the cracks. This is after 3-4 days but I started pulling up the crabgrass, mostly due to the ugly black mixed in my green lawn. How to get rid of carpet beetles permanently a step by guide bed bug faq can baking soda kill bugs you 15 effective do it yourself ways to get rid of carpet beetles 7 tips on carpet beetle removal the bug man. kmoody – posted 16 May 2005 09:45. quote:Originally posted by rong:It is very simple to kill carpet grass. I utilize the Scotts Fertilizer Products, however I am constantly battling crabgrass. 2 – Take an old plastic coffee container and punch holes in the top all over like a salt shaker and you can use this as your sifter. It works quite well. Also, I like to flip the weedwhacker over and grind the crabgrass down to roots and then sprinkle the baking soda. I used it on my lawn and worked great! The StAug was hurt but I watered it well over the next couple of months and surprisingly the StAug recovered. Environmental Pest and Lawn Services: Can Crabgrass Really Be Controlled in St. Augustine Grass? I’ve used baking soda on crabgrass – it works better than anything else I’ve seen available and it doesn’t harm St Augustine. For the baking soda method, mix 2 gallons of water with a small box of baking soda, the sort they sell for fridge deodorizing. try calling a local Lesco Service Center in your area and purchasing the products there. There are some sedge herbicides that have crossover effects on some grass weeds, but they will not remove crabgrass. There used to be chemicals on the market to kill it – but they’re not available anymore due to restricions on harmful chemicals to our environment. Mix it with water and sprinkle the leaves. ft.) with 3 bags. In Lakeland I’ve been told that’s right at Feb 15. You need to do it every 6 – 8 weeks mainly during the warmer months because our soil here in FL is mostly sand and we get a lot of rain. In south Florida, we generally don’t get serious frost so we are stuck with home remedies such as baking soda. 1 – If you apply the bicarb on a windy day and you think some of it might have gotten on a good StAug area – just give it a quick mist off with water and it should limit any damage. Well – that’s my two cents – hope this helps in some way – post back if you use any of this and it works/doesn’t work. I’m looking for the solution and I wan to try your technique if it worked. crabgrasser – posted 02 April 2006 12:01. It usually takes only about a day to see results. Once I feel that the soil is okay for plugging I am going to plug the area about 18 inches apart. If you see a brown spot forming in your nice StAug – hit it quick with powder mix that you put in a hose sprayer – Orthene. The key to baking soda seems to be: wet the grass then apply a light coat of baking soda. Add surfactant to the water in the sprayer if desired. Baking Soda Kills Grasses. Mix the salt and baking soda together and fill the mixture in an old shaker bottle. I’m also in Orlando and two types of crabgrass have invaded a portion of my lawn. Don’t forget to add a little started fertilizer to each hole! Crabgrass has taken over just about everywhere there is no shade. Ideally in Lakeland in most years you will experience frost, to temporarily eliminate most of the crabgrass, and thus give justification for using preemegence herbicides to keep it from coming back, sodium bicarbonate or not. One problem that I created was I probably was not discriminating enough when I was putting down the bicarb – I should have tried to apply it a little more sparingly when right on the existing StAug. You hear all the great things about baking soda and its power to remove odors. I would prefer to use a natural deterrent. I plan on following this up by putting down a pre-emergent crabgrass killer. Fill a small sprayer with 2 cups of water. Baking soda acts as a desiccant, drawing water out of plant cells, which dries out the foliage. Bleach. You can now use a brush or a broom to ensure spreading the mixture uniformly to all areas. I think that the bicarb – if applied heavily, alters the soil chemistry and won’t allow the weeds to germinate. Sprinkle the baking soda, covering and making sure powder seeps down into the carpet. I actually just put it in my broadcast spreader and covered our lot (approximately 2000 sq. [This message has been edited by Spriteman (edited 27 December 2011).]. Baking soda by itself absorbs light stains, but things that go deeper into the carpet need extra help.. Use any of these recipes to kill these tiny plants over a large area. We have been manually weeding, using baking soda, and Arm & Hammer laundry soap with baking soda. Okay – let’s say that you’re existing StAug is growing nicely and there are no signs of any pesky bugs. Recommend waiting for a calm day and just leaving it dry. I had a 10 x 20 area to treat and eliminated the crabgrass in two applications. The stocking will leave a fine, even dusting of baking soda when it is shaken over targeted weeds. I’ve seen one other weed I’m not sure of die from it too. Using a spray bottle, cover the area with the mixture. St Augustine is not invinceable. Of course, if it is thick, then you will want to plug in some more grass plugs if there aren’t any grass rhizomes left. It doesn’t do any good if you put it on really heavy if it doesn’t stay on the leaf. MSMA kills crabgrass, but at the rates required it is highly damaging to St. Augustinegrass. barefootinthesun – posted 26 October 2011 09:49. Mix baking powder and water. Pour it on the carpet grass and it will die within 48 hours. If you come up with a flowable solution I’d like to learn of it. The quicker you treat the bugs the less damage you will get. Did I kill my grass? Also treating your carpets with baking soda and salt together can come with more power, baking soda brings the fleas to the surface of the carpet then salt dries fleas up and kills them all . Baking soda is an antifungal agent so I’m wondering if there is some fungus that crabgrass relies on to live??? Homemade DIY Marking Deterrent Spray Ted – not sure if you’re from FL or not but crabgrass has always been a problem with St Augustine grass – as well as other weeds. The earlier posts hit on the topic but I will lay it out like my Peterson folks told me. The baking soda and salt method of removing fleas in the carpet must be repeated once every week until all of the fleas are eliminated. Such a shame that the lawn services can’t use it because it is not ‘approved.’ So, mix with some cinnamon so you can see where you are distributing it. I also live in Orlando. i believe atrazine would be your product for the crabgrass, but i would probably defer to florida turf folks on this one-, I also live in Orlando, Florida. Need help: Weed control for ornamental perennial peanut (rhizomes type)? You can mix either gentle dish soap or baking soda with lukewarm water to create an effective DIY herbicide that will kill moss. I’m in Melboure, FL. Use a sprayer that will allow you to target its water spray precisely enough so grasses and other plants surrounding weeds will stay dry. Using a spray bottle, mix one teaspoon of baking soda, one teaspoon sea salt, 1 … Baking soda is safe for your grass, but it will kill any weeds. I was late getting started on treatment for 2011 and applied Scotts Weed & Feed – aka Atrazine. Baking soda dehydrates and kills flea larvae and eggs, preventing the outbreak from growing out of control. Fill a small sprayer with 2 cups of water. How to Kill Weeds With Baking Soda. I also live in Florida and Crabgrass is a real problem. Sprinkling the area with baking soda and then following up with a diluted solution of water and vinegar is a very effective method of keeping your lawn odor-free. It usually takes only about a day to see results. So, the next test was a good mow, then allow the weeds a couple of days to begin growing again and on the third day I again misted the weeds and sifted the bicarb onto the weed leaf again. Does it harm it? You can also apply the soda and salt separately to the carpets. …and reason for same? Possible side effects. Prograss is effective against seedling crabgrass. I tried a liquid application to the crabgrass sprouting up in the seams of the front sidewalk. Artificial turf sprays are mild detergents that wash the grass without harming it, destroying bacteria and neutralizing pet odors. My next task is to quantify the amount of baking soda needed. Here are my results utilizing baking soda/bicarbonate. Hope this helps. I put it on fairly heavy. After that I’ve heard mixed results with the South having better luck with the approach. I live in Orlando, Florida (Zone 9A/9B) and either have Floritam or St. Augustine. THX, Dchall_San_Antonio – posted 09 October 2003 21:39. The sodium bicarbonate in it is also a good fungicide and will clear any fungal diseases on your grass such as mildew. Put it in a hand-sprayer to hit theweeds on the walk. The real secret is to apply it when the grass is damp (I use plain water in a sprayer before application if there has been no rain) so it kind of cakes onto the leaves. Vacuum your carpet to pick up any of the big particles of dirt or loose fibers. To Ted – Crabgrass can kick St. Augustine’s butt at times! Has anyone tested the effects of the soda on centipede? Use several boxes. 6 – Don’t put down new sod when the temp is over 90F – it will most likely burn it. I didn’t notice any injury to the St. Augustinegrass, but I might have just been sufficiently selective that I didn’t get much on the St. Augustine. It is great. It is very simple to kill carpet grass. Weeds in Cracks. Baking soda can be nature’s deodorizer for your smelly carpets but it can also be harmful to your vacuums and carpets. You will see results in as little as two hours. Use two scoopfuls of arm and hammer powder soap in a gallon of water. I can go +1 on the baking soda. Step 1. Mix 8 ounces of baking soda to 1 gallon of water. The weeds under the PVC were the only ones affected by the baking soda. University of Florida IFAS Extension, Bay County: New Ways to Control Crabgrass in St Augustine Lawns, Clemson Cooperative Extension: Control of Common Weeds. Didn’t seem to make much of a dent in liquid form that I noticed. This same process happens when winter road salts injure landscape plants. I just sprinkled it directly from the large $2 box I bought at Publix. In a few weeks you will see your lawn return to it’s normal green hue. I have several varities of St. Agustine (Floratam, Delmar, Palmetto), quote:Originally posted by bpteos:I also live in Orlando, Florida. you might want to make sure you’re using quality fertilizers at the right time of year and water/mowing correctly. Pull it out and replug/resod the area or just leave it be and let the good grass grow back? The one pro product that worked was Asulox which is no longer available with a residential turf label (now only for ag). The leaf sheaths are also recognizable because of the fine hairs along the outer edge.Carpetgrass is often confused or mistake… If non-weed plants are hit with a baking soda spray or dusting, they may be damaged. Does it make a difference what time of year the Baking Soda is put down. Any help would be appreciated. Bicarbonate dries fleas and flea eggs on the carpet, hence, helping to kill fleas and new fleas before they hatch. I would think that putting it in the hose-end sprayer might do some good given my theory but I … Water works alone, but adding surfactant improves results because it helps the water stick to weeds. Atrazine will do nothing to crabgrass – as a matter of fact it seems to like it and thrives even more. And here’s the real kicker – almost no weeds grew in the bicarb treated area. But here’s the lucky coincidence – by over applying I did hurt the existing StAug, however, I definitely killed all of the weeds – ALL OF THEM. The best recipe I’ve found for keeping St Augustine healthy is to use a pre-emerant in the spring and fall such as Halts Crabgrass Preventer (this does not kill Crabgrass – just merely keeps if and other weeds from germinating), then use a sedge product such as Image – spring and fall – this kills most weeds but not Crabgrass or a few others – do not use Image in the hot months – it stresses the St Augustine which is why you want to use it in the cooler months. I live in Orlando and have tried baking soda on multiple times. I have several varities of St. Agustine (Floratam, Delmar, Palmetto), quote:Originally posted by ted:… as far as the scott’s products go, there’s nothing particulary magical with them, they’re definitely not the best products on the market …[/B], Ted, please, what products do you consider superior to the Scotts products? You can use borax instead of baking soda to care for the carpet. Over the next couple of weeks the few runners of St.Aug left in the yard seemed to perk up and a few of the weed types started to show signs of stress. Unlike salt or something granular, the baking soda sticks to the leaves, especially crabgrass because is minutely hairy. – didn’t mess with it. Came to realize that by watering it in i was actually neutralizing the powder. You’ll have the opportunity to get your house smelling like a new home, with no dog urine odors. I would think that putting it in the hose-end sprayer might do some good given my theory but I haven’t tried it. OrlandoYardMan – posted 11 September 2015 07:58. You don’t have to be a licensed applicator to purchase most of their products. We plugged part of our back yard two years ago with Floratam and have been battling with removal of carpet grass. Apply when the dew is still on the grass. And also, has anyone used baking soda in Zoysia grass, which I have? It seems to work on the grass leaf. The baking powder will help draw moisture out of the fungus. I had just sprinkled the baking soda out the box, pretty much just on the crab grass. So, let’s focus on weed destruction. It had no visible effect on the crabgrass. If I put it down now (January) will it weaken the St Augustine, ot is it better to wait for the growing season? Then, to finish up, make a solution of 1/4 cup vinegar and 1/4 cup water. You think that baking soda would be a great product to pour on your carpets to get rid of odors in your carpets as most consumers do. The bottom of your shoes contains oil and dirt and the constant contact with your carpet can grind away the surface of your carpet and leave dirt deep in the fibers. So, after that first test I remembered what they had said about putting the bicarb down while the weed was growing. any of the “hardware store” consumer type products are not going to be as effective as pro products, and the advice you get is even worse! St. Augustine and an unwanted patch of bermuda both appear to be resistant to it. Try this it has worked for me.Mix a pound of baking soda with a cup of Arm&Hammer laundry soap(powder) in two gal. Florida seems to be the home of the idea to use baking soda against crabgrass without doing harm to other grasses. From there, she says to, “dampen the stain with warm water and cover it with a ¼ inch of baking soda.” After that, get the white vinegar—make sure you have A LOT of vinegar, as you’re going to need it. As stated before, the crabgrass turns black as quickly as half a day later. Baking soda treatments work best when done early in the day, which is when plant activity is high and plant pores are open. It took almost 6 months for the 1st weeds to return to the treated area. Unsulfured blackstrap molasses (optional), Gentle dish detergent or baby soap (optional), Nylon, knee-high stocking or kitchen flour sifter. I tried this last year on some patches in my yard and had no luck after watering the powder in. First, I like to have a fresh cut to begin my bicarb treatment. They gave me a nice one page 2-sided StAug yearly calendar of treatment schedule. Try calling a local Lesco Service Center in your area and purchasing the products there carpet overnight ’ like... 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