Unlevel lawn filled with too many types of weeds and grass to count
chrism6484
7 years ago
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chrism6484
7 years agoRelated Discussions
Many weeds in lawn!
Comments (3)Had to look up your grass and got a pleasant surprise. We call it St Augustine, so there is a lot of information about it. The reason you have weeds is you are doing your watering wrong. I suspect you are mowing wrong, too. Here is the complete package on St Augustine. Watering Water deeply and infrequently. Deeply means 1 inch (2.5 cm) all at one time. Infrequently means once per month when temps are below 60 degrees F (15 C). With temps above 70F (21C), water every 3 weeks. With temps above 80F (27C) water once every 2 weeks. With temps higher than 90F (32), water once per week. You will have to use some cans to measure how long it takes to apply 1 inch of water. If you were in the US I would tell you to time how long it takes to fill cat food or tuna cans. I'm not sure what you have in Portugal in the way of easily available cans about that tall. Fava beans??? The idea for this watering regimen is to get a lot of water deep in the soil for the health of the soil biology. Secondarily it is to allow the surface of the soil to dry out completely. What you are doing with 2x daily watering is germinating every weed seed that lands in your soil. If you back off on the frequency and allow the soil (and seeds) to dry out, they will not germinate. Many people have found that simply changing the watering frequency solved most of their lawn problems. Fish pond water is perfect for watering. Since you are watering 2x per day now, you cannot stop that immediately and go to once per month. Your grass roots are much too shallow for that to work. You will have to wean the grass off the frequent watering. Start with watering once per day for a few days, then skip a day. Watch the grass for signs of drying out. If you see it wilt, water immediately but water for a longer time period than you did previously. By March you should be up to once per month watering with much deeper roots. If you have trouble with water runoff, or really, any other issues with what I'm telling you, then be sure to write back before something happens. Mowing St Augustine should be mowed at your mowers highest setting all the time. There is never any reason to mow it lower than the highest setting. When St Augustine gets up to 5 or 6 inches high (13 to 15 cm), it will shade out and crowd out almost all of your grassy weeds including bermuda. At that height it will become too dense for most weeds to survive even if the seeds do sprout. There will be some broad leaf weeds, like clover, oxalis, dichondra, spurge, horse herb (look all these up on Google Images) which do survive. Those will have to be pulled or sprayed. The problem with spraying St Augustine grass is the grass is sensitive to most herbicides. Atrazine is the one that seems to work against the weeds and not harm the St Augustine; however, I would be surprised if you could buy that in Europe. So I would not do anything in the way of chemical weed control until you get switched over to proper watering and your grass gets up to the full 15+ cm tall. Fertilizer Since you are using pond water, you are getting some ammonia nitrogen from the fish waste products. You might not need to fertilize. If you do you might look into sources of inexpensive animal feed. I use alfalfa pellets (rabbit food) to fertilize my lawn. Apply at the rate of 20 pounds per 1,000 square feet (10 kilos per 100 square meters). You can apply that as often as you can afford to without fear of harming anything. Alfalfa is often the main ingredient in commercially bagged organic fertilizers, and it works great at improving your soil's health and feeding the grass. Other animal feeds that work are corn meal, corn gluten meal (those are two different products), soybean meal, and even used coffee grounds makes good organic fertilizer. The application rate is always 20 pounds per 1,000 for grain type organics. If you double it or triple it by accident, you should not have any problems other than the smell of the stuff decaying. St Augustine makes an excellent lawn. As long as you can keep it watered in the summer heat, it will look great most of the year....See Morehelp identifying weed/grass and general lawn advice
Comments (17)Ok, so I got my results of the soil test back from UMass. Here are the results: -------------------------------------- Linestone and fertilizer recommendations for established turfgrass Apply 50 lb of calcitic limestone/1000 sq ft. Lime may be applied at any time, but mid-autumn or early spring is best Recommendation: 3 lb/1000 sq ft P205, and 4 lb/sq ft K20. To provide the above recommendations you may follow the directions below, or you may devise your own fertilizer program using the recommended amounts of phosphorus (P205) and potassium (K20) along with one pound of Nitrogen per 1000 sq feet. It may necessary to raise nutrient levels over several applications. Apply a 20-3-12 fertilizer @ 5 lbs/1000 sq ft in late April, late June, and very late August. If more convenient you may substitute the late April recommendation with the same application made 1 to 2 weeks after your last fall mowing. Follow these recommendations for two years. Retest the following year. Consult the interpretation sheet enclosed or obtain one of the turf guides referenced on the backside of the interpretation sheet. Micronutrient(ppm) Boron: 0.1 Manganese 1.3 Zinc 0.5 Copper 0.3 Iron 31.0 Sulfur 15.0 Soil Ph 6.1 Nitrogen: No3-N = 0 ppm BUffer pH: 6.7 Organic Matter 3.1% (desirable range 4 - 10%) nutrient levels (ppm) Phosphorus: 1 Potassium 45 Calcium 219 Magnesium 83 Cation exch Cap 4.0 meq/100g Percent base saturation K = 2.4, Mg = 13.9, Ca = 22.5 Micronutrient levels : all normal Extractable aluminum 128 ppm (soil range: 10 - 250 ppm) THe lead level in this soil is low. --------------------------- If I want to use organic fertilizer, do you have any recommendations for brands? Since I have missed the recommended late april application, can I apply one now, and still apply another in late June? If I apply the suggested lime amount, how will that affect the pH level? I am thinking of overseeding with kentucky bluegrass in the fall. Also i noticed in their interpretation sheet they mention that a Cation exch capacity of 10 to 15 is typical. and values below 6 may indicate the soil will have trouble supporting good turf growth unless special management techniques are employed. Should I be concerned? how can I increase this value?...See MoreHOA says my yard contains too many weeds!
Comments (5)Syntria - I'm in north DFW so i've dealt with many (if not all) of these weeds as well. Luckily, your weeds (while all are a pain) aren't too bad. You should be able to take care of them with a monthly spraying. I had the same problem with my home. Go to Lowe's or Home Depot (or home store of your choice) and pick up some Bayer Advanced or Ortho weed killer. it'll say spray once every few months. However, I had to spray about once a month (as new growth would occur that wasn't there previously to be sprayed). I would recommend spraying before you mow, then later that day or the next, go ahead and mow followed by lightly spraying again. Once you've sprayed for 2-3 times (should be able to use the same bottle judging by the size of your yard) you should be able to cut it back to once every 3-5 months. If you're not going to spray the backyard (as I wouldn't either since you have a garden area), I would at least recommend a granular treatment. It's slower, however it does last longer in my experience in addition to providing you with more control over where it is placed in the yard. This is just what I do. I'm sure people out there would disagree... but it works for me and with the exception of one pesky weed (in this Thread) in my back yard and any that border my yard at the beginning of spring from neighbor's yards - I haven't seen a weed in 3 years)....See MoreHelp Turn Weed Lawn to Grass!
Comments (14)He's afraid if he says, Dallas, we'll all come over for 4th of July. The reason we needed that info is that northern grasses are much different from southern grasses. You're in the southern area where it gets too hot and dry in the summer for the northern grasses to grow. The zones only pertains to winter low temps, so they are mostly unhelpful for much of anything once you have selected your plants. You have two choices for a lawn. Well, you have more, but 99.999999% of all the lawns in North Texas metro area are either bermuda or St Augustine. The bermuda people are most happy with is TIF 419. You can find it as sod anywhere you go. Cost is probably not $50 per pallet anymore, but it should not be much higher. The demand might be higher this year because it got cold enough to kill some of the lawns. The cost is low because builders have adopted it as their standard lawn for new construction. Because of that there are LOTS of suppliers and the cost is low. Bermuda must have 6 hours of direct sunlight every day or it will thin out and become very weedy. It does not grow well under low, dense trees, behind walls or fences, or next to shrubs. St Augustine costs about $100 to $120 per pallet. Why so much? Supply and demand. Builders aren't buying it. A pallet covers an area about 25x20 feet or 500 square feet. St Augustine will grow in 0 hours of direct sunlight as long as it gets some filtered light during the day. It will be much more dense in direct sun, but it will still resist most weeds even in the shade. If you are patient these grasses will spread to fill. That means you can buy less and let these grasses spread. You'll have to keep after it with weed killers, but it will happen. Once it is established St Augustine spreads about 15 feet per year. I don't know how fast bermuda moves, but I would guess it is about the same if not faster. I bought a house in the summer of 2014 where the lawn had been abandoned by the owner. There was some St Aug growing in the shade up against the north side of the house, some along the back patio, and some against a patio addition. I estimate there was 30 square feet total of grass. Now there is roughly 1,000 square feet total in all those places, and all I've done is to let it expand. If you want to talk about the the options for planting to make it spread, let us know....See Morechrism6484
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