Knowledgebase

zucchini fruit growth #909874

Asked July 14, 2025, 10:55 PM EDT

why do some zucchini fruits stop growing and become mushy at the end before reaching a mature size, while others go on to reach their expected size?

Baltimore City County Maryland

Expert Response

You are probably seeing blossom end rot (Choanephora rot) which can be prevalent in warm, humid, rainy weather.

https://extension.umd.edu/resource/choanephora-rot-vegetables/

Another possibility is a lack of complete pollination. Check out this website for more detailed information on growing squash.

https://extension.umd.edu/resource/growing-summer-squash-zucchini-home-garden/

Any other questions, please feel free to write again. Robin
Answered by the Home and Garden Information Center (HGIC), University of Maryland Extension. For timely gardening information and tips, subscribe to our Maryland Grows blog and quarterly newsletter. Follow us on Facebook, Instagram, and YouTube. Replied July 15, 2025, 9:31 AM EDT

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