Tropicals & Tender Perennials: Gnats in the GH...any ideas?, 1 by LindaSC
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In reply to: Gnats in the GH...any ideas?
Forum: Tropicals & Tender Perennials
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LindaSC wrote: I also top-dress my pots with coarse sand. I read here last year that the gnats lay their eggs in the soil and that they don't like the sand and won't lay their eggs there. It breaks the breading cycle. Be sure to get it all the way to the side of the pot. I spotted gnats a few days ago, so I'm being more careful. |