Question
How is this: I wait until about January or February, when the Daisy plants have died back almost to the ground. Then I cut what's left of their stems to a couple of inches from the ground, dig out the weeds, then cover the whole plant with the fabric, cutting holes for the plant stems to poke through, so that the fabric sits as close to the ground as possible, 6p68qthen cover the whole thing with mulch. Is that how you see it?
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The text above is a follow-up to ...

-----Question-----
We have about 25 Shasta Daisy plants now about 15 years old, which bloom wonderfully. In the past couple of years weeds have been growing inside the plants. Is there any way to kill these weeds, or to control them, short of hand-weeding inside each plant (Ouch) before the beginning of next season?

Thank you.
-----Answer-----
Get out the garden gloves and yank those babies out of the ground - the weeds, that is.

Then put down some Landscape Fabric and cover it with garden mulch.

Nothing will grow that isn't supposed to grow there.  But anything there already will be poking out through the fabric.  The fabric lets light, air and fertilizer through, but no seeds.  Just like tucking in the children at night, Henry.

Let me know if you have any other questions.

Answer
Sounds like a plan, Henry!

You won't believe how well this fabric works.  For some reason, I was resistant to the whole concept.  I guess I just do things the old fashioned way.  Then I bought a role of this for some reason, and it went around the Roses.  Just the Roses.  I covered it with 2 inches of wood mulch and fertilized/watered as usual.  The rest of the garden was a constant weeding chore.  Which I don't mind too much really.  But without a speck of weeds under those Roses, I had to consider putting down more fabric.

It's not always practical.  We have a lot of spring bulbs that come up all over the place.  But if you have a situation like yours with a single plant in that section, this is quite wonderful invention.  Moisture and air and fertilizer go down, but nothing underneath will grow up through the grass.  I don't know why they didn't think of this sooner.