How do you kill invasive Oxalis?

Pamela Slate via pbs
Mon, 12 Oct 2020 14:09:18 PDT
Tim, I wrote to you privately asking for you to reply. FYI.

Jane, I have picked out an endless number of those bulbs over the years but
the bed is not sand and they grew into other bulb roots. Also, I'm finding
bulbs as deep as a foot - it could be more - so the problem is fairly
overwhelming in a 12 X 4 foot bed that's 25 inches tall.

They are pretty plants and amazing inasmuch as even the tiniest bulb can
produce a "stem" reaching the surface from a foot below ground level.

If anyone else has other suggestions/opinions, I am appreciative to know

Thanks all,
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