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Home Ask MG Why do cracks on tomatoes occur while still on the vine?

PLEASE NOTE: In the autumn of 1995, we hatched the idea for a free, local gardening publication. The following spring, we published the first issue of Michigan Gardener magazine. Advertisers, readers, and distribution sites embraced our vision. Thus began an exciting journey of helping our local gardening community grow and prosper.
After 27 years, nearly 200 issues published, and millions of copies printed, we have decided it is time to end the publication of our Print Magazine and E-Newsletter.

Why do cracks on tomatoes occur while still on the vine?

February 3, 2023   •   

Resistant varieties come in all sizes and types. ‘Mountain Spring’ (a large red), ‘Sweet Million’ (a small-fruit variety), and ‘Mountain Gold’ (a yellow tomato) are just three selections that are not so prone to cracking.

Cracks on tomatoes that circle the stem end or stretch down from the stem end can be very annoying. They not only deform the beauty of the fruit, but also leave it susceptible to rot. The cause of cracks on tomatoes is generally a growth spurt caused by a prolonged drought. The solution is to provide your garden with adequate and consistent water. You need to water to keep the soil evenly moist. In Michigan, we can have full weeks of rain followed by a month of nothing.

If droughts are common in your immediate location, then besides monitoring the watering, try to look for and select a crack-resistant variety next season. Resistant varieties come in all sizes and types. ‘Mountain Spring’ (a large red), ‘Sweet Million’ (a small-fruit variety), and ‘Mountain Gold’ (a yellow tomato) are just three selections that are not so prone to cracking.

Answers compiled by Martha Ferguson, and contributed by Beverly Moss, Michelle Dunham and Chuck Tyrrell.

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Filed Under: Ask MG Tagged With: cracking, cracks, tomato, tomatoes, vine

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