Every spring I have a patch of Clovers and Dandelions. Every Spring I
put down a broad leave herbicide; they all die off. Then the following
spring I do the same thing all over again. How can I end this cycle of
them coming back?
Usually, having lots of weeds of any type is symptom of a lawn that is
not thick and dense. If it is, it will block out most weeds on it's
own. Still you will always have some, but they should be easily
treated with some minimal herbicide applied via a tank sprayer. That
minimizes the herbicide, which is better for the environment.
I'd start by analyzing what kind of grass you have and what shape it's
in. Aerating, overseeding, proper fertilization, PH, etc could be
appropriate steps to not only help keep the weeds out, but make it
look better too.
I aerate every fall and over seed, I use Lesco Team Mates seed and my
yard looks like a thick shag carpet. I have no other issues with the
lawn other then what I said in the OP. Honestly, my yard looks better
then EVERYONE else's in the neighborhood and most of them use a
landscaper (Except for right now)
I was also wondering if the lawn is in such great shape, why is it
that he's overseeding every Fall? That should only be required
infrequently, it the lawn is thinning out from some problem. I'd also
try backing off on the aeration. Aeration can be a good thing, but it
does rip up the soil, which presents an opportunity for weeds to enter.
I'm not really sure why I over seed every year.. I guess I thought it
was the thing to do to keep your lawn looking nice every year.
I've been looking where the clovers grow, I now see that I need to
thicken it up some more.
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