Baking soda is a common household ingredient with surprising benefits for gardening. It can help certain flowers bloom more abundantly by slightly increasing soil alkalinity. Plants like begonias, hydrangeas, and geraniums thrive in slightly alkaline conditions, and a mild baking soda solution can encourage vibrant and prolonged flowering. However, moderation is key to avoiding potential harm to plants.
How Baking Soda Helps Flowers Bloom
Baking soda (sodium bicarbonate) raises the pH of the soil slightly, making it less acidic. Some flowering plants prefer a more alkaline environment, which allows them to absorb nutrients more effectively and produce more blossoms. Here’s how baking soda benefits specific flowers:
- Begonias – Enjoy improved root health and increased blooming when soil is slightly alkaline.
- Hydrangeas – Baking soda encourages pink blooms instead of blue in certain varieties and enhances overall health.
- Geraniums – Respond well to baking soda’s alkalinity, leading to lush and long-lasting flowers.
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