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Best Height For St Aug

Posted on 6/16/26 at 9:03 pm
Posted by LSUDUCKMAN67
DTB
Member since Sep 2020
1698 posts
Posted on 6/16/26 at 9:03 pm
What’s the best height to cut St Aug? I want that thick look with the high sharp edges when I use the edger
Posted by Spankum
The Sip
Member since Jan 2007
63270 posts
Posted on 6/16/26 at 9:19 pm to
I cut mine about 2 1/2” during the growing season. In the late summer when it gets dry, I raise mower height to 3 or3 1/2”.
Posted by UptownJoeBrown
Baton Rouge
Member since Jul 2024
11740 posts
Posted on 6/16/26 at 9:19 pm to
I think it’s 3.5 to 4 inch.

Centipede is much lower.
Posted by PillageUrVillage
Mordor
Member since Mar 2011
16207 posts
Posted on 6/16/26 at 10:04 pm to
Cut mine at 4”.
Posted by luvdoc
"Please Ignore Our Yelp Reviews"
Member since May 2005
1202 posts
Posted on 6/16/26 at 10:06 pm to
Higher
Posted by CrawDude
Baton Rouge
Member since Apr 2019
6031 posts
Posted on 6/17/26 at 12:38 am to
LSU AgCenter will be updating recommendations in their published literature shortly to 3.5-4 inches - announced at a Master Gardeners meeting late last week by a AgCenter consumer horticultural extension agent for East Baton Rouge Parish.
Posted by WITNESS23
Member since Feb 2010
13877 posts
Posted on 6/17/26 at 7:23 am to
I cut mine at 3.5 where it gets sun and 4 under my trees.

Best part about it is that I can tell it's healthier and looks better/more full when cut.

Worst part about it is if you don't stay on top of mowing, it will look overgrown in a hurry.
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
39718 posts
Posted on 6/17/26 at 11:15 am to
quote:

cut mine about 2 1/2”


Too short
Posted by bobbydigital
New Orleans
Member since Oct 2020
588 posts
Posted on 6/17/26 at 11:43 am to
Highest setting on mower.
Posted by Sir Saint
1 post
Member since Jun 2010
5502 posts
Posted on 6/17/26 at 1:13 pm to
quote:

Too short


St. Aug is incredibly resilient even at low height of cut. It might do best at 3.5-4 inches, but it will do absolutely fine at 2.5 inches. I have been cutting my yard at 1 inch 2x weekly for 2 years because I'm trying to slowly transition from st aug to common bermuda. The st aug does not give 2 shits about being at 1 inch, still thick as ever despite my best efforts.
Posted by oldskule
Down South
Member since Mar 2016
25936 posts
Posted on 6/17/26 at 1:33 pm to
3.5" - 4" reduces weeds bigtime
Posted by Spankum
The Sip
Member since Jan 2007
63270 posts
Posted on 6/17/26 at 3:09 pm to
quote:

cut mine about 2 1/2”


Too short



Well, it has worked perfectly for the past 21 years, so I think I’ll stick with my method!
Posted by LSUDbrous90
Lafayette
Member since Dec 2011
1595 posts
Posted on 6/17/26 at 3:33 pm to
Highest setting on my mower which is 4". Every source you find will basically tell you 3.5" to 4" for many different reasons. It's not like your yard will die and cease to exist at 2.5" but you will have less weeds and healthier st aug if you bump up to 3.5"+
Posted by jmtigers
1826.71 miles from USC
Member since Sep 2003
4993 posts
Posted on 6/20/26 at 9:09 pm to
Prime st Aug is 12” against a fence.

So as high as your mower will go.
Posted by LSUDUCKMAN67
DTB
Member since Sep 2020
1698 posts
Posted on 6/22/26 at 9:44 pm to
Ok so I bumped up to 3.5” I feel like I’m going through an ugly period now. Will it start to look better. I feel like I should be cutting it every other day.
Posted by Dandaman
Louisiana
Member since May 2017
824 posts
Posted on 6/22/26 at 10:24 pm to
3” seems to be the sweet spot for me. have less fungal problems at this height vs 3.5 and 4. doesn’t seem like a big difference but it is.

Keep in mind that mower height setting for my push mower may not be the same as a heavy mower (zero turn /riding) or actual blade height. My st. Aug is so thick that my mower seems to ride on top the grass to some extent.
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