It looks like oxalis to me. If it begins to give bright yellow flowers
on a tallish stem, it definitely is. It will pretty much disappear by
May or June and then come back quadruple next winter. Good luck getting
rid of it. I've been trying for two years, making limited headway.
It's almost impossible to clear out without destroying everything else
growing near it.
Paul in San Francisco
Looks like Tea weed to me, hit it with a little Roundup while the St
Augustine is dormant.
This stuff shouldnt stay around very long if your St Augustine is very
healthy as SA will normaly choke out just about anything. Healthy SA will
usually take out sand spurs and crabgrass.
Your weeds don't seem to ahve any grass around them.......or is the
grass dormant? We have St. Aug. in Florida,
and the weed looks like sorrel. Here is a link:
Generally, broadleaf herbicides will take care of it very quickly, but
you have to get the grass in good, actively
growning condition before you apply them. We rehabbed or condo lawn,
and it surprised the neighbors to see
a healthy, green lawn again. We used liquid herbicide with hose-end
sprayer. Always after fertillizing a couple
of weeks previous and when the weather isn't too hot. You can get by
with very little herbicide use if you water,
fertillize and mow properly. Good luck.
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