Baking soda promotes blooming. Here’s why you want to stock up on it + 10 top baking soda hacks for the garden
Georgia Lynn
Contributing Writer
Baking soda, or sodium bicarbonate, is a surprisingly powerful ally in the garden. While it’s best known for its role in baking and household cleaning, this humble white powder also offers a range of gardening benefits—from enhancing plant blooms to deterring pests and preventing diseases. Its affordability, non-toxic nature, and effectiveness make baking soda an indispensable tool for gardeners looking to take a more natural approach to plant care.
Understanding the Science Behind Baking Soda and Plant Blooming
Baking soda can influence plant blooming by altering the pH level of the soil. Many flowering plants thrive in slightly alkaline conditions, and baking soda can help achieve this balance. When applied correctly, it can reduce soil acidity, making nutrients more available to plants, which can lead to more vibrant blooms. Additionally, baking soda can act as a mild fungicide, helping to protect plants from diseases that could hinder blooming.
Why Every Gardener Should Keep Baking Soda on Hand
Baking soda is more than just a pantry staple—it’s a versatile garden aid that offers safe, chemical-free solutions to common problems. From boosting blooms to controlling fungal infections, having baking soda around means you’re ready to handle a variety of garden challenges naturally and effectively.
Top 11 Baking Soda Hacks for Everyday Use
These clever hacks showcase how baking soda can help your garden thrive—from promoting healthier plants to protecting them from threats.
Hack 1: Promoting Blooming in Begonias
Mix 1 teaspoon of baking soda in a gallon of water and use it to water begonias weekly. The solution helps create a more alkaline environment, which encourages more vibrant and frequent blooming.
Hack 2: Enhancing Hydrangea Colors
Sprinkle a small amount of baking soda around the base of hydrangeas to raise soil pH and bring out more intense pink or blue hues, depending on the variety and your soil’s mineral content.
Hack 3: Boosting Geranium Growth
Geraniums love slightly alkaline soil. Add 1 tablespoon of baking soda to your watering can once a month to promote fuller growth and brighter flowers.
Hack 4: Preventing Powdery Mildew
Create a natural fungicide by mixing 1 tablespoon of baking soda, 1 tablespoon of vegetable oil, and 1 gallon of water. Spray on susceptible plants like squash, cucumbers, and roses to prevent or treat powdery mildew.
Hack 5: Pest Deterrent for Cabbage Worms and Slugs
Dust a light coating of baking soda around cabbage, broccoli, or lettuce plants to deter slugs and cabbage worms. Reapply after rain or watering.
Hack 6: Cleaning Garden Tools
Scrub your garden tools with a paste of baking soda and water to remove dirt and sap, reduce rust, and keep them sanitized for the next use.
Hack 7: Freshening Compost Piles
If your compost pile starts to smell overly sour or rotten, sprinkle in a bit of baking soda. It helps neutralize strong odors and balance acidity for a healthier compost process.
Hack 8: Treating Black Spot on Roses
