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  #11  
Old 05-20-2012, 03:33 PM
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We NEVER cut below 4 inches on St. Augustine under normal maint. conditions. The reason is simple, you can figure as a rule of thumb that every 1/4 of inch you can give it on top growth can equate to 1/2 inch root growth possibility. The turf does not seem to use its resources to struggle to put on that growth again and therefor IMHO seem to retain a deeper green than a lawn facing similar conditons being cut shorter. This all my not be accurate in terms of color retention etc but it sure seems to be the case in neighborhoods were neighbors share the same fert company and have dwellings face the same exposure yet our lawns appear deeper green than the homeowners who cut there own lawn (of course at lower heights with residential push mowers).
Currently we are mowing most of the healthy thick looking lawns at 4 3/4 and some at 5. The highest the mowers will go without being in transport mode is 5 1/4 and we were mowing many at that height last year in August as I recall when the heat was on. If you are doing the best you can to assist your pest control company you are or should be cutting high as possible to follow the "1/3 rule" as closely as possible. This is known to also help lower the chance of the lawn becoming too thatchy. I know it is never possible to follow it 100% but generally speaking if you are cutting at 4.75 or higher during the hot rainy season...you are cutting the least of the leaf structure off because you know darn well in the heat of the season if you come in and are mowing at 4 inches or lower you are just saying the hell with that rule because the rapid growth rate during that period of time.

We have no issue with Palmetto or Seville being cut at this height either and looking good. Especially Seville as unless installed incorrectly (in full sun) then you are most likely using it on a partially shaded or shaded lawn and leaving it long of course allows for more of the leave structure for root depth as well as photosynthesis. For those of you planting Seville in full sun you had better be ready to have a extra spongy lawn in a couple of years especially if the home owner is a active waterier and also it seems to be much more spongy in full sun if the fert company is using a quick release fertilizer.

In many lawns that have patchy growth patterns cutting tall allows all the turf to catch up and eventually a lawn that once looked patchy because of irregular growth now look like carpet.

My only reservation about cutting this tall during rainy season is if the lawn has a history of severe GLS fungus. A good sections of lawns will start showing signs of this disease during the rainy season and I have never gotten a confirmed answer from anyone as if cutting too high during this period may lend conditions that favor this disease as by cutting this high you are also potentially limiting air movement through the leave structure. I would appreciate hearing from any PCO that would want to give their thoughts on this possiblity.
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  #12  
Old 05-20-2012, 10:59 PM
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unkownfl unkownfl is offline
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I cut about 4 inches unless it's soft soil. I don't cut much higher than that maybe 4.5 inches. This is measured on concrete to blades cutting face. On the GLS I will usually make passes to blow all the clippings onto the sidewalk and then rake it into a bag and compose it at home.
William how wide is your mower? If you have a wider mower you can usually get a nicer edge because the tires don't flatten out the grass edges.
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Old 05-20-2012, 11:15 PM
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Quote:
Originally Posted by williams lcm View Post
I know some people think it is just crazy to cut it that high but it give a different looking lawn than cutting 4 inches or below. Please share your pictures. Thanks
William here is the only picture I have on the PC that I KNOW for sure was cut at 5 inches. Like I said we are currently cutting many at 4.75 and I will snap a few shots for you this week and post on here.
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Old 05-21-2012, 07:56 AM
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Mike, how does it look after 6 days?

We cut @ 4" year round. I suspect cutting much higher will trap excesive moisture and impede air flow creating excellent conditions for fungi.
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Old 05-21-2012, 08:56 PM
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Mike, how does it look after 6 days?

We cut @ 4" year round. I suspect cutting much higher will trap excesive moisture and impede air flow creating excellent conditions for fungi.
Generally it looks decent most of the year even at these heights really no different than the difference than you would notice if you cut at 4 inches. I will post some before photos too for you jvan to see what the properties look like when we arrive.
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Old 05-21-2012, 09:50 PM
Tri-City Outdoors Tri-City Outdoors is offline
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We generally cut higher than most We never cut SA lower than 4" most of the year we cut at 4.5". As the season and rain progresses we will cut up 5.25". The highest our mower will cut.
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Old 05-21-2012, 10:15 PM
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Originally Posted by Tri-City Outdoors View Post
We generally cut higher than most We never cut SA lower than 4" most of the year we cut at 4.5". As the season and rain progresses we will cut up 5.25". The highest our mower will cut.
Would you say your lawns experience any more issues with GLS than other lawns.

Are you using Hustlers since you are cutting at 5.25?
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  #18  
Old 05-21-2012, 10:49 PM
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Spring, 2.0 2.5-2.75, summer 3.0, 3.5 and 3.75. Customers down here rather yards low, I explained so many times, now I'm like eff it, cut it low till its white lol. But seriously they like st Aug low by it growing so fast.
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Old 05-21-2012, 11:56 PM
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Originally Posted by diamondlandscaping View Post
3" is way too short for floratam. That needs to be cut at 4" minimum. Seville can be cut at 3", but I like 3.25"
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I agree. Remember the growing points with Floratam are above grade and not below.
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Old 05-22-2012, 08:29 AM
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Quote:
Originally Posted by joel29m View Post
Spring, 2.0 2.5-2.75, summer 3.0, 3.5 and 3.75. Customers down here rather yards low, I explained so many times, now I'm like eff it, cut it low till its white lol. But seriously they like st Aug low by it growing so fast.
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For St. Augustine? That sounds way low even for the dwarf cultivars.

How's your cinch bug problem out there?
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