
Downtoearthdigs
Answered on March 3, 2015
Yes, you sure can start your gladiolas in pots indoors. Start your corms about 4 weeks before the last frost.
I have done this many times myself, since I live in Zone 4.
Here is a great article to help you get started.
https://www.gardeningknowhow.com/ornamental/bulbs/gladiola/start-gladiolas-early.htm
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