8 Amazing Baking Soda Uses for Growing Vegetables

Sheri Dorn is a versatile homesteader and culinary artist with a strong focus on organic and heirloom gardening. Holding a Master's degree in Culinary Arts, she combines her love for cooking and gardening in a unique way. Sheri is an active contributor to online gardening communities and enjoys quality outdoor time with her family and pets.
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Try these Amazing Baking Soda Uses for Growing Vegetables to cultivate a healthier harvest with minimal effort!

Do you know about the Amazing Baking Soda Uses for Growing Vegetables? It is beneficial in producing a sweeter harvest, protecting them from unwanted pests, and much more!

Learn How to Kill Plant Fungus with Baking Soda

Amazing Baking Soda Uses for Growing Vegetables

1. Grow Sweet Tomatoes

Sprinkle 2-3 spoons full of baking soda around the base of your tomato plants. It will get absorbed into the soil and decrease the acidity level of tomatoes, giving you a sweeter harvest.

You can experiment with it once in 8-10 weeks and gradually increase it to once in 4-5 weeks. Check the harvest to determine how well it works with your plant.

Learn the Secret to Growing Sweeter Tomatoes here

2. Protect Brassicas

Mix equal parts of baking soda and flour, and dust this powder on infected plants. The worms that are imposing your brassicas will consume the baking powder mix while eating the foliage and die.

3. Basil Leaves Turning Brown or Black


Many bacterial infections are responsible for black spots on basil leaves. You can mix a few drops of dish soap, add half a teaspoon of baking soda in two liters of water, and spray the solution on the affected leaves. It will help keep all the infections at bay.

Discover some more Tips on Treating your Basil Leaves here

4. Get Rid of Tomato Hornworms

Baking soda helps you to repel tomato hornworms—sprinkle it directly, and it will suffocate hornworms. You can also mix it with flour in equal parts and sprinkle it on the stems and leaves, where the worms are seen most—they will feed on it and die.

Find out 16 Super Remedies to Remove Tomato Hornworms here

5. Keep Rodents Away

Baking soda can be used to deter rabbits, mice, and rodents from destroying your vegetable plants. Make a protective circle around the plant using baking soda.

As these animals don’t like the smell and taste of it, this will help you to keep them away from the plants.

Learn some Sure Shot Ways to Keep Rats Out of your Garden here

6. Protect Cucumbers and Squashes from Powdery Mildew


Protect cucumbers, squashes, and pumpkins from powdery mildew by making a solution of 1 teaspoon baking soda, 2-3 drops of liquid soap, and 1 liter of warm water.

Fill the ingredients in a spray bottle, shake well, and allow the bubbles to disperse—use it on affected areas of the plant.

Check out 21 Baking Soda Uses in the Garden here

7. Keeps Pepper Plants Safe from Fungal Growth

Use a mixture of one spoonful of baking soda and 3-4 drops of liquid soap in a liter of water. Spray it on the foliage to keep the fungal growth at bay. It will also stop scales, aphids, and spider mites from attacking the plant.

8. Detoxify Your Soil


If you’ve recently switched from chemical to organic fertilizers, you can apply baking soda to detoxify the soil. A solution of 1 teaspoon of baking soda in 1 liter of water can be applied to the soil to help neutralize any remaining chemical residues.

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