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How to Use Baking Soda in the Garden: A Natural Ally for Your Plants
Gardening enthusiasts are always on the lookout for effective, eco-friendly ways to nurture their plants and keep pests at bay. One surprising yet powerful tool in the gardener’s arsenal is plain old baking soda. This versatile household ingredient isn’t just for baking or cleaning — it can also help your garden thrive naturally.
Why Baking Soda?
Baking soda, or sodium bicarbonate, is a mild alkaline compound that can balance soil pH, deter pests, and combat fungal diseases. It’s affordable, non-toxic, and safe for use around children and pets, making it a fantastic alternative to harsh chemical treatments.
Benefits of Baking Soda for Your Garden
- Fights fungal infections: Baking soda disrupts the environment fungi need to grow, helping to control powdery mildew, black spot, and other common fungal diseases on leaves.
- Deters pests: While not a pesticide per se, baking soda’s texture and mild alkalinity can discourage certain soft-bodied pests from settling on your plants.
- Balances soil pH: In small doses, baking soda can raise soil alkalinity, which can be beneficial for plants that prefer less acidic soil.
- Promotes healthier plants: By reducing disease and pest pressure, baking soda helps plants focus energy on growth and fruit production.
How to Use Baking Soda in the Garden
1. Baking Soda Spray for Fungal Diseases
One of the most popular uses is as a foliar spray to combat fungal infections:
Ingredients:
- 1 tablespoon baking soda
- 1 gallon water
- 1 teaspoon mild liquid soap (like castile soap)
Instructions:
- Mix baking soda and soap into water until dissolved.
- Pour into a spray bottle.
- Apply to affected plants, focusing on leaves and stems.
- Spray every 7–14 days, especially during humid weather.
2. Baking Soda as a Soil Amendment
For slightly acidic soils, sprinkle a small amount of baking soda around plants to gently raise the pH. Be cautious — too much can harm your plants.
3. Pest Deterrent
Sprinkle baking soda lightly around the base of plants to deter slugs and ants. Avoid excessive amounts, as it can disrupt beneficial soil life.
