My youngest daughter lives 20 miles inland and there's quack all over out there. She's a finicky gardener. Last summer I saw her on her hands and knees applying roundup to quack with a small brush (in a mixed garden with lilies). She had very little quack, but I told her to stop it because I feared she'd burn the scales--after all, I thought, scales are genetically modified leaves and if any residuals would ever get down to bulb level, it wouldn't take much. Wild morning glory is another she was brushing. I wasn't sure I gave her truly accurate advise, exactly--but, better to be 'safe than sorry'. Roundup scares me.