In mid to later summer , I ordinarily see a common problem with tomatoes : once - unadulterated fruits on the vine suddenly splitting or crack .

While you could normally still use up the damaged tomatoes ( particularly if you piece them presently after they carve up ) , it ’s a frustrating problem to have because it ’s make by speedy changes in wet horizontal surface , which are often out of your control .

The damaged cutis is a physiological condition that can usually be blame on rainwater . After a dry summertime , a sudden cloudburst allows the plant to take up room more water than common . As a tomato postulate up water system , the fruit enlarge faster than its peel can stretch , induce the skin to split . What you get are growth cleft or “ burst ” of the yield .

Close-up of a round red tomato on a vine with radial splits down the sides

But it ’s not always rain down that causes this — in hot weather , you might find yourself watering more often or more to a great extent as well , lead the fruits to well up and split .

The damage may appear as radial cracks ( which lead from the stem down the incline of the yield ) or concentrical cracks ( which show up as a rotary pattern at the top of the tomato , ringing the stem ending ) . If fruits are left on the vine , rot may set in at the cracks or the cracks may mend over with brown “ scrape ” tissue .

The in force news is , thereisa mode to keep your tomatoes from splitting as often — or altogether .

Overhead shot of red tomatoes on a dark surface, with concentric cracks on the stem side of the fruit

First , make trusted your garden bed are nicelymulched to assist keep back moisture . Water your plants profoundly ( but less oft ) to train the root to make down in the soil for wet ; this willhelp the plants endure heat waves(and free you from needing to water so much ) .

Second , if you go outside and harvest your almost - right tomatoesbeforeany auspicate rain , you’re able to save them ! As I wrote about antecedently , tomato plant can be mature indoorswith no difference in flavor or texture .

The whimsy that a vine - ripened tomato is superior in taste is really a myth — and in all probability add on by our own psychological bias . Thebest time to pluck a tomato , if you require to ensure caliber fruit , is right when the skin starts to “ blush ” ( show some coloring ) . At that point , you may bring it inside to finish ripening on your buffet ( and you ’ll have beat all the bird and squirrels that want to get to it first ! ) .

Two red tomatoes on vines with scarred-over splits and cracks in the skin

If , however , you miss the window and a heavy rain comes , be sure to harvest any stock split or crack love apple right away and ripen them the same way indoors . The blemish might look despicable , but they do n’t really alter the flavor and you’re able to simply foreshorten them out and compost those portions .

Cracks on tomatoes also face similar to ( but are n’t inevitably the same as ) another condition foretell catfacing . you may seewhat catfacing looks like hereand learn how to keep it from occur to your crop .