Poa Trivialis Source
Don Zebowitch
6 years ago
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as promised--is this poa trivialis/annua??--pics
Comments (20)Lawn care doesn't really need to be complicated. You'll get a lot of really good advice on these boards. You'll get a lot of really bad advice, too. You'll also get advice that falls somewhere in between. I'm probably somewhere in between. I'll try to give you my take on lawncare, most of it gleaned from here. I've never considered it the consensus that lawns shouldn't be fertilized in spring. The consensus I've gathered is that they shouldn't be seeded in the spring or fertilized in the summer. Here's what I do: Mow high (around 3.5-4 inches). It may take some getting used to, but it helps the lawn Mulch mow, unless there is a fungus or other disease issue. Spread Starbucks grounds during the spring and fall. Water deeply and infrequently (I try for an inch a week, all in one day). Apply some source of fast release N after the topgrowth has stopped but while the grass is still green. If your soil is sandy, use a slow release N source, but one that doesn't require microbial activity (something like sulfur coated urea for example). Use a Weed Hound for most weed control and spot spray what that doesn't take care of. If I'm going to seed, it's in the fall Mow progressively shorter until it's as low as I can stand Core aerate to expose more soil Seed Water several times a day until it sprouts Avoid mowing until the new grass is tall enough to mow If I feel I need a spring seeding, I do a modified dormant seeding and seed in the late winter or early spring. That's it. I don't do anything special. I don't do anything complicated. My only wrinkle is that I'm purposely stressing my lawn in order to try to get a nontraditional lawn of native grasses in the hopes that I can go from watering once a week to watering once a month....See MorePoa trivialis
Comments (1)Tenacity can help here, and it doesn't kill your (northern, which I assume it is) lawn. Although several sprays may be necessary to finally control it, and you do have to keep after it (it'll keep coming back for a number of years), eventually you do finally get rid of the stuff....See MoreIs this Poa Trivialis? What is this?
Comments (16)No, it's not triangular. It's more like a little flatter and taller than the boat shape kbg. I asked the lady at the nursery if it's anything to worry. She said it's probably just new grass that was mixed in with the seed. But what kind of kentucky bluegrass would look this bright green? I've patched up partial renovation on another part of my lawn and it came in much darker than that and did not sprout that fast. The bag I used had some wildhorse kbg, would that be a bright green at first and eventually turn darker as it matures? I attached another picture, and I will pull some out from the root and get a closer shot. Its actually in a few other places in the lawn in very small patches. I really don't know. The only reason I was inquiring was because my lawn is finally an okay looking lawn. It's uniform, no big dead spots or anything, some weeds, this is the worst spot of my lawn behind the tree. I just don't want this patch taking over half the lawn. It seems to have spread fast. The pictures really do not show the true lawn. The color looks very washed out. The lawn looks much darker green 95% of it with a slight blue hue, and that bright spot looks brighter green in person. Should I maybe spray this with a selective herbicide and see what happens? It's sort of hidden behind the tree, so even if it kills it, I could always try a late reseed of more kgb in that whole spot. This post was edited by ligrass on Sun, Sep 22, 13 at 20:26...See MorePoa Trivialis
Comments (7)I try and avoid using roundup unless it's a last resort, and/or lawn renovation; Because of the varying degrees of the half life of Glyphosate. Phosphorous levels have a profound effect on the degradation of Glyphosate. For example, Low Phosphorous contents of European soils decreased the degradation of Glyphosate (Laitinen et al., 2006; 2008; Borggaard and Gimsing, 2008). Another study (Laitinen et al., 2009) showed undecomposed Glyphosate, about 19%, as well as APMA (48%) 20 months after application. Overall, Glyphosate has varying degree of half-lives that depends on numerous things. (de Jonge et al., 2001; Gimsing et al., 2004a, 2004b; Mamy et al., 2005; Sørensen et al., 2006; Gimsing et al., 2007)....See More
hyacin
6 years ago
mishmosh
6 years agoDon Zebowitch
6 years agolast modified: 6 years agomishmosh
6 years agoDon Zebowitch
6 years agomishmosh
6 years agolast modified: 6 years agohyacin
6 years ago
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