The Q&A Archives: Gladiolus in Winter

Question: I planted Gladiolus this past spring. Next year (spring) I would like to plant different flowers. I am in the process of pulling out my dying Glads. I would like to freeze the bulbs and plant them somewhere else. While I have been digging for the bulbs, I may have missed a few bulbs, leaving them underground. I don't want them to interfere with my new garden next year. What should I do? Will the left over Glads die during winter or should I do something else?

Answer: Glads are not terribly hardy and do not need a winter cold treatment. In fact, they will die if you freeze them. To keep your glads, cut off the tops, allow the corms to dry for a few weeks, then when completely dry, store them in paper bags (not plastic) in a well ventilated cool dry area. A good temperature to aim for is about 40 or 45 degrees.

If you missed some of the large corms or little cormel babies, they may survive the winter or they may not. Those that survive will sprout next summer. An easy solution is to pull them up like any other weed. You may also find them as you plant your new plants early next spring. If you find a large blooming size corm and you would like to keep it, simply transplant it as you would any other plant.

Enjoy your glads!

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