6 Ways to Use Baking Soda in the Garden

Many common garden issues can be solved with baking soda! Learn how to use baking soda in the garden to stop plant diseases, bugs and more.

Close-Up Of Baking Soda With Drinking Water On White BackgroundEskay Lim / EyeEm/Getty Images
There are many ways to use baking soda in the garden

Clean a Bird Feeder

One of the best ways to use baking soda in the garden is to clean your bird bath. “Shake baking soda into the basin. It removes mold easily and is safe for birds,” says Birds & Blooms reader Stephen Holland. “Cleaning the bird bath isn’t my favorite task, but it’s more fun when you use baking soda and white vinegar. The foam reaction is neat to watch and makes cleaning easy,” says Sharon Erdt.

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Prevent Black Spot on Roses

“To wipe out black spot on your roses, use the following recipe. Combine 1 tablespoons of baking soda, 2 1/2 tablespoons of horticultural oil and 1 gallon of water. Spray this solution on roses once when the symptoms appear and every 1-2 weeks thereafter,” says Laura Horning.

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Stop Rot on Grapes

“At the very first sign of brown rot, spray your grapes with a solution of 1 tablespoon baking soda and a gallon of water. I’ve never needed to use this spray more than once a season,” says Eli Troyer.

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Win the Bug Battle

Here’s a cheap natural way to repel aphids and spider mites. Mix 1/3 cup cooking oil and 1 teaspoon baking soda in a jar. Keep it covered until needed. Combine 2 teaspoons of the mixture with 1 cup water in a sprayer,” says Henryette Marshall.

Learn how to get rid of indoor plant bugs.

Grow Bigger Plants

“Your plants will double in size and beauty with this once-a-month treatment. To 1 gallon tepid water, add 1 teaspoon baking soda, 1 teaspoon Epsom salts, 1 teaspoon saltpeter and 1/2 teaspoon household ammonia,” says Tillman Charlie.

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Clean Your Garden Clothes

“A paste of baking soda and water removes perspiration stains and odor when rubbed on a garment before you throw it in your machine. Works great on hard-to-clean polyester knits, too,” says Lavern Wolf.

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Lori Vanover
Lori Vanover is the senior digital editor for Birds & Blooms. She has a bachelor's degree in agricultural and environmental communications from the University of Illinois. Lori enjoys growing vegetables and flowers for pollinators in her backyard gardens. She also is an avid bird-watcher.