Answer: There will be no problem in growing your pumpkins side by side. The fruits will turn out to be just what you planted. However, due to the possibility of cross-pollination, don't save the seeds from the fruits that develop. If planted next year, you'll end up with some strange new varieties! By the way, your pollination technique works well for other fruit producing plants in the garden when the weather is too cold, windy, or wet for insect activity!
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