Q. I have reddish,
clover-looking weeds that have taken over my lawn. Last year they nearly covered it. I tried weed and feed several times but that
didn't seem to get rid of them. A friend
of mine had the same problem and had to remove all of their grass and re-sod
their lawn. They bought their own lawnmower made their landscaper use it because
they said the lawnmowers that landscapers use can spread this clover everywhere.
 |
| Readers picture of "clover" |
A. the picture you sent to
me appears to be oxalis and not clover. Oxalis has a yellow flower. Clovers
usually have white, pink or reddish flowers. They both have clover-like leaves.
Oxalis is extremely difficult to control once it gets
established. We see them growing in flowerbeds and shrub beds as well as lawns.
In beds, it is usually brought in with the plant material as a weed contaminant
in the container. But it also can be brought in on lawnmowers.
 |
| Oxalis |
Focus
on weed killers for lawns that include the weed “oxalis” on the label rather
than clover. If you are not sure, give me the name of the product in an email
and I can help you from there.
Control
it now or in the fall, not during summer heat. If there were not too many, you
could consider digging out the contaminated lawn areas to a depth of about 6
inches and replace it with sod.
In
your case it sounds like it’s covering the entire lawn. There are many
different lawn weed killers labeled for controlling dandelions. They contain
several weed killers in different combinations to control a different array of
weeds. Look at “dandelion” weed killers but make sure the label includes controlling
oxalis. Use a product that is sprayed rather than a dry granular applied to the
lawn.
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