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A pumpkin plant's "days toA pumpkin plant's "days to maturity" depends on the variety. Look at the seed pack. It can range from 85 to 160 days so, for example, if you want pumpkins by Halloween, count back this many days. In the U.S., most folks plant between late May and late June to get pumpkins mature in time for Halloween. The male flowers come first and the female flowers will come around 7 to 10 days later. The female blossom has a small bulb at the base. The female blossoms only open for one day so it's important the weather is good and that bees are around to transfer the pollen from to the male to the female. 

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