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Great Lakes Gardening

using preen

14 years ago

Does anyone know if I can use Preen on garlic that is already about 4 inches tall and also, can I use it on the soil I'm planning to plant both summer and winter squash?

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denninmi
14 years ago
On the garlic, yes.

With squash -- ONLY if you plan to put out reasonably large transplants (say, with 3 or 4 sets of leaves). Preen will inhibit squash germination and proper seedling growth.

You could probably easily start the squash in pots and transplant when large enough.

I have set transplants into Preen-treated soil many times without any problems, AS LONG AS THEY ARE LARGE ENOUGH -- as I said, once they get past about a 3 to 4 sets of leaf stage, the Preen no longer seems to inhibit them.

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