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From the blog...

Why Your Tomatoes Are Splitting—and How to Stop It

You waited weeks for that tomato to ripen… got excited watching it grow... and grow... and... what?!? only to find it cracked and split?!? 

Every gardener's frustration (assuming you love tomatoes as much as we do!) The good news: it’s not destiny... it's fixable. Here’s what causes tomato splitting and exactly how to prevent it. (You can pay us back in nice, thick slices of perfect home-grown tomato!!)

Tomato Splits 101: 

What Causes Tomato Splitting?

Tomato skins crack when the inside grows faster than the skin can stretch. This usually happens after a sudden surge of water—like a heavy rain or a deep watering after dry conditions.

There are two main types of splits:

Radial splits: Start at the stem and run down the fruit.

Concentric splits: Circular cracks around the top.

And both are caused by inconsistent watering.

Why Does It Matter? Great question...!

Split tomatoes are more than just ugly. The cracks invite:

▹ Mold and rot

▹ Insects (and their "babies"... aka maggots... 🤢)

▹ MUCH faster spoilage

Yes, you can still eat them—just cut around the damaged area—but shelf life takes a serious hit.​

How to Prevent Tomato Splitting

1. Water Consistently!

This is the Big One!

▹ Stick to a schedule—ideally once every 2–3 days in hot weather

▹ Water deeply to encourage strong roots

▹ Mulch around plants to keep soil moisture steady

Don’t let the soil dry out completely, then flood it. That’s the fastest and surest way to split your otherwise-would-have-been-perfect tomatoes!​

2. Pick Tomatoes Right After Rain

If a storm is coming and your tomatoes are nearly ripe, harvest them early.

▹ Tomatoes can ripen off the vine indoors.

▹ ​A day or two early is MUCH better than losing the it entirely

3. Use Crack-Resistant Varieties

Some tomato types naturally resist splitting more than others... Here are a couple tips:

▹ Look for varieties labeled crack-resistant or heirlooms known for thicker skins

▹ ​Cherry and grape tomatoes often split less than larger slicers

4. Shade During Extreme Heat​

Heat stress can weaken really skins, which makes them much more likely to split under any stress.

▹ Use shade cloth if temps soar above 90°F (32°C)

▹ ​Protecting plants reduces shock when watering resumes

What to Do with Already-Split Tomatoes

Sometimes the Garden Gods simply decree that a certain tomato SHALL split, no matter what you do! When it happens, don't sweat it... eat it!  Don’t toss them if the split is shallow. As long as it's not rotting or infested (bleh!), it's still perfectly good! 

▹ Eat them right away

▹ Roast, sauce, or freeze them

▹ But skip canning—damaged fruits may not be safe to preserve

Tomato splitting is all about water balance. Keep it steady, choose the right varieties, and harvest smart. Small changes now mean fewer ruined fruits later—and more garden-fresh tomatoes that make it to your plate intact.

With Love, Light and Garden Growth,

The 10x Blue Garden Pro

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