Tomatoes: 7 Natural Fertilizers To Put In The Soil For Successful Planting

Last updated on October 23rd, 2023 at 08:49 pm

When you start gardening, tomatoes are the first thing you think of planting. Indeed, this basic ingredient is literally cooked in all the sauces. So, we can’t imagine any greater satisfaction than growing our favorite tomato varieties. However, we generally want a generous harvest to enjoy it at will!

As a result, we quickly start gleaning the best tips for boosting growth and yield. But moreover, it is out of the question to end up with sick, acid or insipid fruits. And for all this, there is nothing better than fertilizers specially chosen for tomatoes! Here are 7 of them to slip under your plants as soon as possible for a boost to your tomato crop.

1) Baking soda, the little-known natural fertilizer for tomatoes

Tomatoes: 7 Natural Fertilizers To Put In The Soil For Successful Planting

In salads or in sauces, you swear by tomatoes that have a good sweet taste? In that case, you will absolutely have to sprinkle a little baking soda in the hole before planting! Indeed, this little trick known to the most expert gardeners will help rectify the acidity of the soil. Thus, tomatoes will grow as sweet in the mouth as we like them. In itself, this is not a contribution of nutrients or fertilizers to help fruiting, but it will allow to obtain the real good and sweet taste of these fruits. Proof if any were needed that this powder has its place in our green spaces…

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2) Eggshells to bury in the ground

Tomatoes: 7 Natural Fertilizers To Put In The Soil For Successful Planting

This is not the first time that we have praised the advantages of using eggs in the garden. Its shell is particularly attractive to green thumbs, as it is rich in calcium. This nutrient is as good for plant growth as it is for us, especially tomatoes. As a result, there is no better way to enrich their soil. When digging the hole, prepare eggshells to slip in. Alternatively, you can spread some so that the calcium is released with time, watering and rain. In addition, this organic fertilizer will repel slugs and other pests that might be lurking around your tomato plants.

3) Coffee grounds, an excellent fertilizer

As a mulch or in the potting soil, coffee grounds act as a slow-release stimulating fertilizer for tomatoes or for the garden. We like to use it at planting time to improve the soil and promote good growth and development of tomato plants.

4) Epsom salt, another little-known tomato fertilizer

Tomatoes: 7 Natural Fertilizers To Put In The Soil For Successful Planting

Much appreciated by yellowing lawns and rose plants, it is also very useful in the vegetable garden for the healthy and strong growth of peppers and tomatoes. Indeed, its richness in magnesium will compensate for the mineral deficiencies of the latter at the very moment you are going to plant them. First of all, we will put some at the bottom of the hole. (Here, count 1 to 2 tablespoons only.) Then, we cover it with a thin layer of earth and we can proceed to the planting of the roots. This way, you will avoid putting them in direct contact with the magnesium sulfate!

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5) Aspirin to keep diseases away from your tomatoes

What’s the point of growing beautiful, tasty tomatoes if it’s only to have late blight (which already wreaks havoc on potatoes) and all the diseases common to this fruit ruin all your efforts? Fortunately, the salicylic acid in aspirin can be very helpful. In fact, it will boost the plants’ immunity and preserve their health in a very effective way. To protect tomatoes, spray your plants with an aspirin solution two or three times a month. It is prepared with about 250 to 500 mg of aspirin for 4.5 liters of water. This preventive treatment by making them more resistant also has curative effects that plants need, so don’t deprive yourself of it! And since garden diseases can give you a lot of headaches, you will kill two birds with one stone with your pills…

6) Fish heads, the forgotten fertilizer

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Our grandmothers and grandfathers always knew the best tips and tricks. But when it comes to tomatoes, it is indeed a kitchen waste that changes everything! Indeed, the fish heads decompose and release minerals and trace elements that plants love. For example, we can mention the most notable fertilizing elements that are nitrogen, calcium, phosphorus and potassium! The only problem is that the decomposition of the heads can attract predators and all the cats in the neighborhood… Therefore, it is better to bury them in their entirety very deeply (at least 30 cm) to avoid it. Otherwise, make your own fertilizer by infusing your leftovers in 250 ml of water and 250 ml of milk. If your tomatoes don’t grow very fast with this nitrogen-rich liquid fertilizer, you won’t understand anything!

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7) Bone meal or kelp as a fertilizer for beautiful tomatoes

Bone meal is one of the best ways to get beautiful, quality tomatoes. Thanks to its phosphorus, this powder will indeed promote the growth of the fruits. To do this, just put a dose of 150 to 250 g in the hole before planting… and that’s it! As for kelp flour, it’s a bit the same. Indeed, it is a mine of trace elements and micronutrients that your tomatoes dream of to grow faster and better. Plus, it’s a slow release tomato fertilizer. This way, they benefit from it longer and without excess. Here, sprinkle 250 g of flour into the planting hole to achieve the desired effect.


  • James Jones

    Meet James Jones, a passionate gardening writer whose words bloom with the wisdom of an experienced horticulturist. With a deep-rooted love for all things green, James has dedicated his life to sharing the art and science of gardening with the world. James's words have found their way into countless publications, and his gardening insights have inspired a new generation of green thumbs. His commitment to sustainability and environmental stewardship shines through in every article he crafts.

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