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WTF is growing in my St Augustine lawn?

3,862 Views | 30 Replies | Last: 4 yr ago by B-1 83
combat wombat™
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5:34p, 10/20/21
I want to kill it. Is it Bermuda grass?


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turf guy ag
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5:37p, 10/20/21
The mother of all grass wars.
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Old RV Ag
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5:47p, 10/20/21
Clayton Williams got into big trouble for a specific analogy - but, in this case it kind of fits as well. Just sit back and let nature take its course.
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4
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6:40p, 10/20/21
I'd concentrate on making the St Augustine as strong as you can. It will eventually choke out the other stuff.
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Micropterus
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7:03p, 10/20/21
Good luck with that. Mow it high and hope the bermuda gets shaded out. Aint much you can do really.
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Howdy Dammit
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7:06p, 10/20/21
Let the Bermuda choke out the st Augustine.
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STX Ag
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7:11p, 10/20/21
Pubes
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AgResearch
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7:30p, 10/20/21
St. Aug is such a ****ty grass species.
  • Can't propagate via seed
  • No rhizomes
  • Overly susceptible to disease & insects
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combat wombat™
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7:47p, 10/20/21
DAMMIT.
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B-1 83
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8:10p, 10/20/21
My Corpus lawn was 50/50 when I moved in back on 06. Within 4 years I had it 100% Augustine. Fertilize 4-5 times a year, MOW HIGH, the Augustine will dominate. Augustine is not that tough to grow and maintain with just a little extra effort.
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combat wombat™
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In reply to B-1 83 • 8:13p, 10/20/21
I'm going to have to start mowing my own lawn? We use a guy and he never sharpens his blade and he's not going to adjust height.
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In reply to combat wombat™ • 9:22p, 10/20/21
44mAG
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10:15p, 10/20/21
My St Augustine totally devours bermuda when it is growing nearby. I usually have a few spots of SA die off every year due to one thing or another. Every spring bermuda grows in its place. By early summer, the St Augustine totally chokes it out again.
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P.H. Dexippus
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6:42a, 10/21/21
I have not tried it before, but supposedly you can get the upper hand by using a combination of ethofumesate and Atrizine. I would only try when daily highs weren't in the 80s and St. Augustine wasn't stressed.
https://secure.caes.uga.edu/extension/publications/files/pdf/B%201393_1.PDF
The story isn't that [DeSantis] "couldn't win" the primary. The story is that an overwhelming majority of our population is heinously stupid. 50% of them vote for communists. 75% of the remaining 50% vote for Trump, who cant win. When the majority of the opposition party insists on voting for an opposition candidate who can't win, you get exactly the government you deserve. - Well Endowed Ag
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fightingfarmer09
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6:55a, 10/21/21
2,4-D in some hot summer temperatures will take care of that St Augustine for you.
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In reply to combat wombat™ • 7:15a, 10/21/21
Cromagnum
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In reply to B-1 83 • 7:53a, 10/21/21
B-1 83 said:
My Corpus lawn was 50/50 when I moved in back on 06. Within 4 years I had it 100% Augustine. Fertilize 4-5 times a year, MOW HIGH, the Augustine will dominate. Augustine is not that tough to grow and maintain with just a little extra effort.


Except for:
Too much water
Not enough water
Take all root rot
Brown patch
Grubs
Chinch bugs
Army worms
Sod web worms
Dead just because, but thriving on your sidewalks and flowerbeds.
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TikkaShooter
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8:10a, 10/21/21
It will never be gone.

The guys saying that it gets dominated by St. Aug…maybe in the shade. But it full sun, in Texas…you'll always have a mix. And that's ok.
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44mAG
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In reply to Cromagnum • 10:23a, 10/21/21
Exactly. I have hell every single year keeping my SA looking good. Usually is't grey leaf spots that gets me. This year, it was chinch bugs and army worms. Even putting out as much insecticide as I could, they still decimated spots.
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YellAgs
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12:58p, 10/21/21
If I mow high, st augustine dominates and the bermuda and bahia get choked out. But you also have to fertilize a lot and worry about cinch bugs.

If I mow low, the bermuda looks great until the bahia moves back in and makes my lawn look like crap.

Currently letting the augustine dominate because we've had such a wet year.
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duddleysdraw88
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2:03p, 10/21/21
That might be torpedo grass.
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AgGrad99
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In reply to YellAgs • 2:32p, 10/21/21
YellAgs said:
If I mow high, st augustine dominates and the bermuda and bahia get choked out. But you also have to fertilize a lot and worry about cinch bugs.

If I mow low, the bermuda looks great until the bahia moves back in and makes my lawn look like crap.

Currently letting the augustine dominate because we've had such a wet year.

I hate Bahia. My neighbor has it, and it spreads to my lawn.
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combat wombat™
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In reply to duddleysdraw88 • 2:33p, 10/21/21
duddleysdraw88 said:
That might be torpedo grass.
I think torpedo grass is the same as bermuda grass... or a type of bermuda grass?
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YellAgs
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2:49p, 10/21/21
It's definitely field bahia. Have an unkempt field behind my house and it moves in quickly.
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BlueSmoke
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In reply to combat wombat™ • 2:58p, 10/21/21
combat wombat said:
I want to kill it. Is it Bermuda grass?


Nobody cares. Work Harder
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cevans_40
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In reply to AgGrad99 • 3:08p, 10/21/21
AgGrad99 said:
YellAgs said:
If I mow high, st augustine dominates and the bermuda and bahia get choked out. But you also have to fertilize a lot and worry about cinch bugs.

If I mow low, the bermuda looks great until the bahia moves back in and makes my lawn look like crap.

Currently letting the augustine dominate because we've had such a wet year.

I hate Bahia. My neighbor has it, and it spreads to my lawn.

Msm + surfactant will smoke bahia
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cevans_40
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In reply to combat wombat™ • 3:09p, 10/21/21
combat wombat said:
duddleysdraw88 said:
That might be torpedo grass.
I think torpedo grass is the same as bermuda grass... or a type of bermuda grass?

Nope
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combat wombat™
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3:12p, 10/21/21
So which is it. Torpedo or bermuda?
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fightingfarmer09
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In reply to YellAgs • 3:13p, 10/21/21
Bahia is easy to control with chemical in Bermuda though.
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cevans_40
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In reply to combat wombat™ • 5:32p, 10/21/21
combat wombat said:
So which is it. Torpedo or bermuda?

The picture is bermudagrass.

Raising mowing height to at least 4" is your best bet. The best St Augustine I have ever seen was maintained at 6"
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cevans_40
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In reply to fightingfarmer09 • 5:33p, 10/21/21
fightingfarmer09 said:
Bahia is easy to control with chemical in Bermuda though.

Msm is safe on St Augustine. Thus bahia is easy to control.
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B-1 83
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In reply to Cromagnum • 6:57a, 10/22/21
Cromagnum said:
B-1 83 said:
My Corpus lawn was 50/50 when I moved in back on 06. Within 4 years I had it 100% Augustine. Fertilize 4-5 times a year, MOW HIGH, the Augustine will dominate. Augustine is not that tough to grow and maintain with just a little extra effort.


Except for:
Too much water
Not enough water
Take all root rot
Brown patch
Grubs
Chinch bugs
Army worms
Sod web worms
Dead just because, but thriving on your sidewalks and flowerbeds.
Some people have green thumbs, some don't.
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