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Homes & Gardens
Homes & Gardens
Megan Slack

Jimmy Fallon’s Clever Tomato Calcium Trick Is Science-Based if You Can Wait Long Enough for Results – Using Something You're Throwing Away

Jimmy Fallon.

Jimmy Fallon may not have been your first port of call for gardening advice; however, he has proved himself to be quite the expert, particularly when it comes to tomatoes.

In a resurfaced clip from The Tonight Show, the host explained that he had adopted the art of growing tomatoes – specifically, Beefmaster tomatoes (available at Walmart). And while we were quick to label him an 'expert' (he later shows off his painfully small crop), he does reference a tip favored by certified professionals: Crushed eggshells.

'I love gardening. I have been doing some gardening…. Over the past month, I have been carefully growing these tomatoes in a pot. I used bamboo sticks to support them, added crushed eggshells to the soil for calcium, planted marigolds to keep the bugs away, and I have been spraying it with neem oil for pests,' Jimmy comments.

'I have had a lot of bugs, but it has been worth it. I have one tomato. I probably spent about 100 dollars on this, and now one tomato has finally turned red.'

Shop the Tomato Growing Essentials

Despite Jimmy's practice, the question of whether eggshells are good for plants remains a constant among garden experts. Glen Chandler, a gardening expert and founder of Evergreen Seeds, explains that they do have their benefits, but you can't expect instant results.

As we're settling into spring planting season, I'm hearing the same question from gardeners across the country: "Should I really be saving my breakfast eggshells for the tomato patch?" After 18 years of working with home gardeners, I've seen this folk wisdom both help and hurt depending on how it's applied,' he says.

'In my experience, eggshells need at least six months to break down enough for plants to actually use that calcium. Gardeners who sprinkle whole shells around their tomatoes in May are essentially decorating their flower beds - the calcium won't be available until the following season.'

Ultimately, this method is a mix of solid science and slightly mistimed execution. While Jimmy proves that celebrity status does not grant you a green thumb overnight, his instincts regarding eggshells are a fantastic and sustainable way to boost soil quality. Calcium is vital when growing tomatoes to avoid blossom end rot, a condition where the bottom of the fruit becomes sunken due to a nutrient deficiency. This essential mineral also ensures that tomatoes remain firm as they develop.

The catch is patience, as you must give those shells the six months they need to properly decompose so they can become a powerhouse of nutrients for your plants. If you are looking to see results a bit faster than Jimmy did and perhaps harvest more than a single fruit, try finely grinding your shells into a powder or adding them to your compost pile well in advance. By the time next season arrives, your soil will be primed for a bumper crop. Your tomatoes might just thank you.

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