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Use baking soda in the garden as a weed killer

Use baking soda in the garden as a weed killer


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Known to be universally useful, baking soda can be used in both the food and household sectors. But can we use it in the garden? We went to consult Charly from Jardiland once more to tell us how to use bicarbonate in the garden and for what purpose. There is something to beautify a natural space in an ecological way.

Can baking soda be used in the garden?

First of all, it is not fair to name this white baking soda powder because of its chemical composition. It would be more accurate to use the term sodium bicarbonate or - but it may be a little more difficult to remember - hydrogen carbonate. Used in organic farming, it is an excellent bio pesticide. In the garden, it helps to fight against devastating insects, plant diseases. It succeeds in blocking the development of mold, which makes it an essential antifungal. The famous "baking soda" is one of the best green tips, safe for the gardener, safe for nature.

Are there any precautions to be observed when treating plants with baking soda?

Avoid as much as possible spray directly on the flower stalks and flowers in bud. It is also necessary to respect the right dosages, because too strong a treatment in hydrogen carbonate can burn the leaves of the plants. Let's not forget that it is a salt. One teaspoon is not more than one teaspoon of sodium bicarbonate per liter of water. You can add to this preparation three teaspoons of agricultural oil or simply olive oil so that the grip on the leaves is optimum.

What plant diseases can you treat with baking soda?

Sodium bicarbonate is effective against mildew. The remedy is simple to prepare since it is enough to add to two liters of water, two teaspoons of black soap and 5 grams of bicarbonate to obtain a spray treatment on roses for example. To this preparation, oil is added to combat powdery mildew which attacks grapes and cucurbits such as pumpkin.

How to eradicate pests with bicarbonate?

All plants attacked by parasites are treated in the same way, such as the cochineal that invades the hydrangea or the oleander, the aphid that attacks Hibiscus among others. Better to avoid full sun, however, to spray the sodium bicarbonate treatment. Dusk is the perfect time to avoid burning the leaves.

Are there other ways to use sodium bicarbonate in the garden?

This famous "baking soda" is an excellent weedkiller for terraces, garden paths, borders. It is also a cleaning product. Do not hesitate to use it to maintain your garden tools, clear a tarp, remove the moss that has settled on the gate, the swing or the roof of the garden shed. Finally, be aware that sodium bicarbonate reduces the acidity of the soil, which boosts flowering, limits the development of weeds - weeds - and allows you to harvest more beautiful vegetables.