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Old 06-23-2012, 08:34 PM
RoboMike RoboMike is offline
LawnSite Member
 
Join Date: Dec 2008
Location: Boca Raton, FL
Posts: 24
Unhappy Need help with Lawn, Please.

Hi All,

We bought a house in south florida and the lawn is completely taken over by weeds. I've used a selective herbicide ortho weed b gone and it works on the less problematic weeds like dollar weeds. For the more problematic viney broadleaf weeds that form a dense carpet / mat close to the soil the grass doesn't even have a chance and I really hate those lite purple / pink flowers. Other weeds are like trees with long tap roots. So for those I am using Roundup since it only kills the plants it touches on the leaves and does not leave much residue in the soil.

The problem is that my entire back yard has a weed problem.

We have St. Augustine grass.

So I would like you opinion as I'm not sure if my approach is the best way.

My approach:

Systematically use weed killer on the weeds where I can find them, as often as I can. Then when most of the dense populations of weeds are killed (perhaps most of my lawn) then fertilize the grass every 6 weeks or so in attempts to get the grass to grow and crowd out other weeds.

If I was living back up north, I'd buy seed and over seed.

Which is why I have another question... since you can't get St. Augustine grass in seed, should I combine it with another grass type that I can get in seed? I was thinking Caterpillar grass which is similar to St. Augustine...

Re-sodding, plugs, etc.. is too expensive.

I'd love your help!
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