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Taylor Michigan  DebTerry Apr 1, 2018 7:38 AM CST |
| Every year I have crabgrass in my lawn and try to pull it out and to kill it using the best products on the market, but it is still coming back in the spring. Any help or suggestions please? We do have a lawn service can they be bringing it to my lawn from other lawns? |
Name: Rj Just S of the twin cities of M (Zone 4b)     crawgarden Apr 1, 2018 8:09 AM CST |
| Crabgrass is an annual weed, I use corn gluten for control https://garden.org/ideas/view/... Prudence, indeed, will dictate that Governments long established should not be changed for light and transient causes; and accordingly all experience hath shewn, that mankind are more disposed to suffer, while evils are sufferable, than to right themselves by abolishing the forms to which they are accustomed. |
Name: Ginny G Central Iowa (Zone 5a) Plant Addict!!              Legalily Apr 1, 2018 8:15 AM CST |
| We used to use corn gluten and it really kept it down. Where do you get yours Rj? Be a person that makes others feel special. |
Name: Rj Just S of the twin cities of M (Zone 4b) crawgarden Apr 1, 2018 9:07 AM CST |
| The local feed store. Prudence, indeed, will dictate that Governments long established should not be changed for light and transient causes; and accordingly all experience hath shewn, that mankind are more disposed to suffer, while evils are sufferable, than to right themselves by abolishing the forms to which they are accustomed. |
Name: Philip Becker Fresno California (Zone 8a)  Philipwonel Apr 1, 2018 9:35 AM CST |
| Deb : Yes ! Your lawn service is bringing you seeds, on there equipment, shoes, clothes, etc. The air also carries seeds. Also any one that comes close, or steps on lawn. @crawgarden. RJ : All my local feed stores, and farm supplies... Ha ha, he he, 😟... They don't know what I'm talking about ? Does it go by a different name out hear in the west, Perhaps ! I can't even find it online. Ttfn 😎😎😎 Anything i say, could be misrepresented, or wrong. |
Name: Porkpal Richmond, TX            porkpal Apr 1, 2018 9:41 AM CST |
| It's grass and in a lawn, I would just mow it until it dies a natural death. Porkpal |
Name: Rj Just S of the twin cities of M (Zone 4b) crawgarden Apr 1, 2018 11:35 AM CST |
| Philip, it looks just like the pic in the article https://garden.org/ideas/view/... Prudence, indeed, will dictate that Governments long established should not be changed for light and transient causes; and accordingly all experience hath shewn, that mankind are more disposed to suffer, while evils are sufferable, than to right themselves by abolishing the forms to which they are accustomed. |
Name: Sue Ontario, Canada (Zone 4a)      sooby Apr 1, 2018 11:58 AM CST |
| If the seed heads are allowed to form it will just come back in the same spots year after year from those seeds. Unfortunately mowing doesn't help, it just grows flat to the ground and misses being clipped by the blades. |
Name: Big Bill Livonia, Michigan (Zone 6a) Orchids, peace and beauty          BigBill Apr 1, 2018 3:29 PM CST |
| For almost 35 years I used Scott's lawn fertilizer with Halts. I would put it down by following the number on my spreader. The "Halts" dissolves and stays as a barrier on the soil and keeps ALL seeds from germinating. You have get it down before the warm weather starts. On Long Island I made sure it was on the lawn by Memorial Day. You can't reseed after that has been applied though because grass seed won't sprout because of the Halts. One bag covered 5,000 square feet of lawn. Rodney Wilcox Jones, my idol! Businessman, Orchid grower, hybridizer, lived to 107! |
Minnesota (Zone 3b) RpR Apr 1, 2018 7:29 PM CST |
DebTerry said:Every year I have crabgrass in my lawn and try to pull it out and to kill it using the best products on the market, but it is still coming back in the spring. Any help or suggestions please? We do have a lawn service can they be bringing it to my lawn from other lawns? How often do you treat for it and what do you use. Even if you pulled every plant for five years straight the seed remain for a long time. I am telling you this from experience. If you pull and treat and it seems to be all gone , you are wrong, you must treat with preventative and killer for several years after it seems to be gone, even then keep sharp eye as it is stubborn. I learned the hard way a small patch mostly ignored and not pulled with vigor within two years covered an eight by eight foot area. If you mow the lawn after it has gone to seed, just one plant will be broadcast in a LARGE area. From Gardens Alive: I generally just say "all seeds" so that people realize they shouldn't sow grass or veggie or flower seeds when they use corn gluten meal, but Dr. Christians, being a researcher, would like to note here that a few seeds (barnyard grass and velvet leaf specifically) don't seem to have been affected in lab studies until large amounts of corn gluten were used, and even then it didn't reduce their germination rate as much as the other weeds tested. In a lawn and garden situation, however, keep thinking "all seeds" to be safe. And, as we'll explain in a minute, even weeds whose seeds aren't strongly affected can be knocked out of a lawn over time with continued use. Back to the basics for now: Corn gluten meal is also naturally high in nitrogen—the food lawns crave the most. This makes it a perfect substitute for the toxic chemical "weed and feed" so many homeowners use to the detriment of their health—and the health of their family, pets, water, and the planet in general. Apply the minimum of 10 pounds per 1,000 sq. feet of lawn and you're providing a pound of nitrogen; move up to the weed-killing max of 20 pounds per 1,000 sq feet and you're giving your lawn two pounds of 'N'—an absolutely fabulous natural feeding. To get the most weed and feed effect, apply a corn gluten meal product that's labeled as a pre-emergent herbicide (really important; we'll explain why in a second) to your lawn in the Spring when forsythia bushes begin to bloom (or when your county extension agent says crabgrass germinates in your area) and it will feed the turf while preventing dormant weed seeds—like crabgrass—from germinating. For best results, choose a time when rain isn't predicted over the next few days, water it in well and allow it to dry out; seeds will try to sprout, then die. Don't apply it if its going to rain non-stop for two weeks; you need a dry stretch after watering. Obviously, you can't sow a new lawn at the same time; wait six weeks for the gluten to lose its herbicidal effect. (Northerners trying to start or reseed a cool-season lawn (like Kentucky bluegrass) shouldn't sow in the Spring anyway.) Spread even the finest quality corn gluten on established weeds like those walkway ones, however, and you'll simply be feeding them. Mulch,vinegar, flame, hoeing and/or hand pulling are the answer here—and in that large-scale, Master Gardener situation. Yes, you could prevent future weeds by dusting with corn gluten every six weeks, but it would be hugely expensive and you'd be wasting all that great nitrogen fertilizer if there weren't 'wanted' plants growing in that area. (See below.) But established perennial ("broad leaf") weeds in lawns are a more interesting story; regular applications of corn gluten meal do control them. The gluten prevents dropped seeds from sprouting new plants, and it feeds the lawn so well and naturally that if you cut your grass correctly (see previous lawn care Questions of the Week; links below), perennial weeds like dandelions will be crowded out by the roots of your now-happy grass. Corn gluten does not change soil pH or harm any type of grass or existing plant (other than eventually crowding out established weeds in lawns). It won't hurt your zoysia grass, tomatoes, Springbulbs, etc. etc. So yes, go right ahead and use it in the Spring to prevent dormant weed seeds from sprouting in flower and vegetable beds—especially after tilling and other forms of soil-turning that uncover a lot of buried weed seeds. This type of use has proven to be a wonderful method of weed control in strawberry beds, to name just one well-researched example. Just remember that no seeds will sprout there for six weeks, so use another form of weed-control in spots where you'll be planting by seed, and save the CGM for where plants are going in. Labeling: "Corn gluten meal" sold as animal feed is not the same thing. It is not licensed by Iowa State, so the university is not compensated when you buy it; and it often does not contain the right protein concentration to achieve seed death. I have received many emails from listeners who thought they were getting a huge break on the price, only to discover they were simply feeding their emerging crabgrass. Products licensed by Iowa State will say something like "pre-emergent herbicide" on the label, have the correct protein concentration, and carry complete instructions for proper use. They are more expensive than animal feed CGM because they use a much higher quality gluten—which sells at a premium—and the manufacturer pays that fee to the university to fund research to find more cool stuff like this. Bylaw, animal feed gluten cannot say anything about herbicidal effects and will not have directions for any weed-killing use. It also might not work—did I mention that? |
Name: Ginny G Central Iowa (Zone 5a) Plant Addict!! Legalily Apr 1, 2018 9:02 PM CST |
Thanks RpR for the info. Great information.  Be a person that makes others feel special. |
Name: Rj Just S of the twin cities of M (Zone 4b) crawgarden Apr 2, 2018 8:06 AM CST |
| https://www.extension.iastate.... Prudence, indeed, will dictate that Governments long established should not be changed for light and transient causes; and accordingly all experience hath shewn, that mankind are more disposed to suffer, while evils are sufferable, than to right themselves by abolishing the forms to which they are accustomed. |
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