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Jimmy Fallon's Smart Tomato Calcium Tip Requires Patience for Best Results

Mark Cheng Jul 4, 2026 5 min read

While Jimmy Fallon might not seem like an obvious source for gardening wisdom, he's surprisingly knowledgeable about growing tomatoes.

In a popular segment from The Tonight Show, he shared his experience with cultivating Beefmaster tomatoes. Although we might chuckle at his initial struggles with a tiny yield, he highlights a technique used by many gardening experts: crushed eggshells.

'Gardening is a passion of mine. Over the past month, I've been nurturing these tomatoes in a pot. I used bamboo sticks for support, added crushed eggshells to enrich the soil with calcium, planted marigolds to deter pests, and applied neem oil for protection,' Jimmy reveals.

'I've dealt with quite a few bugs, but it's been worth it. I've got one tomato now, and I'd say I spent around $100 on this journey, but at least it's finally turning red.'

Check out Jimmy's tomato creation in action! Watch Here

Tomato Growing Essentials

5 Megaharvest Beefmaster Tomato Seeds – Extra-Large Slicing Tomatoes – High-Yield for Home Gardens (5 Seeds)Jimmy's Choice

Start your tomato-growing adventure with Beefmaster seeds, known for producing large, smooth, deep red tomatoes that boast a classic flavor.

Tomato fertilizerNatural Choice

This organic liquid fertilizer is diluted with water and applied throughout the growing season to provide essential nutrients for robust tomato growth.

FELCO322 Model 322 SnipsSteel Handles

These precise pruning snips are essential for clean cuts, allowing you to harvest tomatoes without harming the plants.

3 Pack Tomato Cages,square Tomato Plant Stakes Support Cages Trellis for Garden Climbing Vegetables Flowers Fruits,extra BoldDurable Build

This set of tomato cages helps plants grow upright and healthy, simplifying harvesting by keeping fruit accessible and off the ground.

Artrylin 20 Pcs Plant Stakes,bamboo Garden Stakes for Plants,natural Garden Bamboo Sticks,support Stakes for Potted Plants,bamboo Sticks for Tomatoes,beans and Vegetable (beige)High-Quality Bamboo

These versatile stakes can be used for various plants, including tomatoes, and can be arranged for trellises or simple fencing.

Burpee Organic Tomato & Vegetable Granular Plant Food, 4 LbUser-Friendly

This granular plant food provides long-lasting nutrients to ensure healthy plants, delivering nourishment immediately and over time for up to three months.

Despite Jimmy's good intentions, the effectiveness of eggshells for gardening sparks debate among experts. Glen Chandler, a gardening authority, points out that while they can be beneficial, results take time.

'As spring approaches, many gardeners ask if saving eggshells for their tomato plants is worthwhile. Over 18 years of experience has shown me that it can either help or hinder, depending on usage,' he states.

'In my experience, eggshells require around six months to decompose sufficiently for plants to absorb the calcium. If gardeners spread whole shells around their tomatoes in May, they're essentially just adding decoration — the nutrients won't be ready until the next season.'

In the end, this approach blends good science with a dash of impatience. While Jimmy's celebrity status won't guarantee instant gardening success, his use of eggshells is a clever, eco-friendly way to enrich soil. Calcium is crucial for preventing blossom end rot, a condition where tomatoes develop a sunken bottom due to nutrient shortages. It also aids in maintaining the firmness of developing tomatoes.

The key is patience. Allow those eggshells the necessary six months to break down into nutrient-rich elements for your plants. If you want quicker results and aim to harvest more than one tomato, consider grinding the shells into powder or adding them to compost ahead of time. By the next growing season, your soil will be ready for a fruitful harvest. Your tomatoes will surely appreciate it.