Baking soda in the garden is one of the simplest and most affordable natural hacks every gardener should know. Also called sodium bicarbonate, this common kitchen ingredient does more than bake cakes or clean countertops, it can naturally fight plant diseases, deter pests, improve soil conditions, and freshen up your garden.
Because it’s eco-friendly, non-toxic, and budget-friendly, baking soda is a must-have in organic gardening. In this guide, we’ll cover the best uses of baking soda in the garden, step-by-step application methods, and safety tips to ensure your plants thrive.
1. Baking Soda for Fungal Disease Control
Fungal infections like powdery mildew and black spot are common on roses, cucumbers, squash, and grape plants. Baking soda changes the pH level on leaf surfaces, making it difficult for fungi to survive.
DIY Fungicide Spray Recipe:
- 1 tablespoon baking soda
- 1 liter of water
- A few drops of mild liquid soap (castile or dish soap)
How to use:
- Mix ingredients in a spray bottle.
- Spray directly on leaves, including undersides.
- Apply once a week during humid weather or after rainfall.
Best for: Roses, cucumbers, squash, grapes, and zucchini.
Baking soda in the garden is one of the simplest and most affordable natural hacks every gardener should know. Also called sodium bicarbonate, this common kitchen ingredient does more than bake cakes or clean countertops, it can naturally fight plant diseases, deter pests, improve soil conditions, and freshen up your garden.
Because it’s eco-friendly, non-toxic, and budget-friendly, baking soda is a must-have in organic gardening. In this guide, we’ll cover the best uses of baking soda in the garden, step-by-step application methods, and safety tips to ensure your plants thrive.
1. Baking Soda for Fungal Disease Control
Fungal infections like powdery mildew and black spot are common on roses, cucumbers, squash, and grape plants. Baking soda changes the pH level on leaf surfaces, making it difficult for fungi to survive.
DIY Fungicide Spray Recipe:
- 1 tablespoon baking soda
- 1 liter of water
- A few drops of mild liquid soap (castile or dish soap)
How to use:
- Mix ingredients in a spray bottle.
- Spray directly on leaves, including undersides.
- Apply once a week during humid weather or after rainfall.
Best for: Roses, cucumbers, squash, grapes, and zucchini.
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