Overseeding KBG with Fescus
valtorrez
13 years ago
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valtorrez
13 years agoRelated Discussions
Adding Fescue to my KBG
Comments (16)Lamcon, I agree with the others that KBG should be suiting you perfectly, in Wisc. I'm over in Michigan, in Flint. Whatever your problem is with KBG, it's not the climate. I'd like to propose a different program, based on a couple of assumptions: one, that your 'soil' is a builder's graded over hardpan of clay. It's not a bad clay, btw, it's just clay: but it's your native topsoil, and it's quite different from the clays they have down in NCarolina. I want you to do a few things: google search BioVam, and try some of their product. It really helped me out a few years back, when I had to get a lawn onto a commercial office building in full sun. Try their smallest amount, and use that on one identifiable section of the lawn. If lack of mycorrizal (check spelling) fungus is your problem, and it could be, the difference will show up in a year or so. Fertilize only with Milorganite. You can get it. I know it's cheaper to use a big-first-number fert, especially in the fall, but for you, who might have sterile soil, the organic material will help a lot. Rent a core aerator. Spring and fall, for the next two years. Not one of the little tow-behind wussie core aerators: the big mama, that you have to work to turn around at the end of the row. That will pull your soil up to the top, and create holes about 4" deep, that your organic material and cut grasses will fall into. Other than that, mow tall, and keep up with the fertilizing. Keep us advised....See MorePennington Tall Fescue vs KBG (Mass, zone 7)
Comments (16)>>KBG was less drought tolerant than TTTF. It is, very much less drought tolerant. KBG will show wilting long before TTTF will. KBG is more drought resistant than TTTF. It simply goes dormant, waiting for the rain to return. TTTF, left dry, will eventually just up and die. So will KBG, but 1/4" of water every 2 weeks is enough to keep the roots alive. Dormancy can continue for 12 weeks, but losses will start to mount. 8 is the usual maximum given, although I've seen it go a lot longer than that with that incidental watering every now and again. That having been said, my established KBG has been watered twice this year. So much of this is related to how you treat the grass and how you treat your soil. I've pushed mine to very high organic matter levels, which store water like nobody's business and won't let it go easily to evaporation (but a root can exert enough ionic pull to grab the water with no problems). I attached pictures of my lawn (follow the link to my blog as you can see the entire history if you wish to peruse back that far). It's hardly shabby, but this is not a good year. We've ping-ponged between bone dry and soaking wet. >>I water just enough to keep it alive. From March to May it was absolutely beautiful deep dark green but right now it's much lighter and even tan in some spots. Ditto. Keep in mind, I'm somewhat north of you, just a wee little bit. I'm not sure if KBG would be a good choice for North Carolina. >> I will need to overseed this fall so would overseeding KBG into the TTTF lawn be a good idea? Would this eventually lead to a full KBG lawn? I'm open to ideas. The two don't argue with each other directly, so that's not an issue. The KBG, if well-fed (we're talking 4 to 6 pounds of nitrogen per thousand square feet per year) will fill in holes as the TTTF dies out from age. That process isn't fast; there are certainly thirty year old TTTF tufts out there, I've seen some. Growth rates will differ, almost certainly, so that may drive you crazy. Color is going to differ, and the look of the grasses is very different as well. I never felt that tri-mix (fescue, rye, KBG) was a good choice for anybody, but they do that to get one grass to grow in an area, at least. Again, I'm not sure about KBG that far south. Lexington, from the map, feels like it should be OK-but-borderline, and your altitude (800 feet+) speaks well for putting in KBG. Current temperatures and overall average temperatures are fine for it, and KBG when established in good soil should stay green all winter (mine does up here). Rainfall levels are perfectly acceptable. By the way, you have rainfall moving in. Best grab an umbrella for later this evening. If you absolutely forced me to pick three modern cultivars, I'd go with Midnight, Prosperity, and Boutique. You can freely substitute Midnight II or Midnight Star for Midnight, they're all close enough. Those are three extremely dark cultivars, so consider that before you do this. When mature, they'll have that thundery dark green look that my lawn has in spring and fall (all grasses lighten in summer).. Also, tolerance for weather their first year isn't as good as it will be later on (true of any grass), so watering the first summer will be required. I never recommend dormancy the first year if it can be avoided, and if it can't, keep it short. The grass doesn't have the root depth and resources it will later on. Here is a link that might be useful: My Blog, With Photos...See MoreTall Fescue and KBG disparate sizes/seeding rates
Comments (6)Here's what I use. http://www.bedbathandbeyond.com/product.asp?SKU=13350086 I also want to revisit seeding rates for a minute. Let's say you were going to just seed TTTF at 10 lbs. per 1000. So that would give you roughly 2.25 million seeds per 1000. If you want a 50:50 mix of TTTF:KBG, then you would still need 2.25 million seeds split in half. This would mean you would use 5 lbs. of TTTF and about 1 lb. of KBG. If you did it the way I previously stated, then you would be using 8 lbs of TTTF (10 lbs minus 20%) and 2 lbs. of KBG. This would give you about the same ratio but the seeding rate would almost be double, approximately 2 million TTTF seeds, and 2 million KBG seeds per 1000, or 4 million seeds per 1000. Too much seed can lead to damping off, and overcrowding of new seedlings, not a good thing. I recommend sticking to amounts that give you the proper number of seeds in addition to the ratio you want. So if the seeding rate for your TTTF is 8-10 lbs per 1000, then use the middle number of 9 lbs per thousand to get the number of seeds to use, which is 2.025 million. Then split that in whatever way you want to get the ratio of seeds. I hope this is clear, if not, let me know....See MoreBest 4-5 mo. green up/grow up for a muddy KBG/Fescue lawn
Comments (3)If it's a shaded area KBG will not do well. If it's a very shaded area, no grass will do well, maybe red fescue will tolerate it. Tall fescue does not spread at all, neither does ryegrass, and so if there's any spreading to happen it would have to be the KBG. But the KBG is unlikely to thrive in the shade. Also, keep in mind that when you say "fairly small portion", the KBG seed is many times smaller than fescue seed, so if your mix is 90% fescue 10% KBG by weight, it's actually 50%-50% by seed count, so you would end up with a lawn that's half fescue half KBG. You can try and dormant seed some tall fescue into it - spread some seed when it gets really cold so there's no chance of it germinating in the middle of the winter. Once it warms up in the spring it will sprout. It's less than ideal and it may all die when the summer heat comes, but you'll have something green in the spring....See Moretiemco
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