catjac1975
Garden Master
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There are hardy gladiolas but what you bought are probably not hardy.. I would plant a week a part at most. For me the season is just long enough to get them to bloom. If your season is longer you can extend the planting. Leave them in the soil until the first hard frost is predicted then lift, dry and store until next season.Starting to collect stuff to plant. YOU know how it is--you get excited and just buy! I bought one package of 10 purple gladiolas (for the south and sunny bed next to the house), and one package of 30 white gladiolas. I bought these Beautiful purple ones (10/package) at an FS store, whose owner was rethinking the $3.99 price tag after I bought them. ALL are Big bulbs, like 1 1/2"-2" wide and feel very good. NONE has tried to sprout yet. I've been studying up and read this:
http://www.easytogrowbulbs.com/g-40-gladiolus-planting-guide.aspx
"Many growers plant glads at two-week intervals to extend the blooming season."
Since they are iffy to live through out zone 5 to 5 1/2 winters, I'll take the advice of planting them 6 inches deep and we'll toss a coin.
Our last frost date here is about mid-April.
Any thoughts as to when to plant?