Answer: Removing blooms will not make the fruit larger. Once the bloom has served its purpose in getting the fruit pollinated it begins to shrivel and die. Removing it before pollination will result in an aborted fruit or if partially pollinated, a deformed one.
A healthy squash plant, plenty of water and time will give your the best size for the variety of squash. If you want larger fruit experiment with some other varieties, or improve soil fertility, drainage, moisture supply, etc., which are more likely limiting factors on fruit size. Good luck with your garden!
Q&A Library Searching Tips