Epsom salt for tomatoes and peppers – giantveggiegardener (2024)

Epsom salt for tomatoes and peppers – giantveggiegardener (1)

Costuluto Genevese tomatoes

I’ve always used powered Epsom Salts in the bottom of my hole when I transplant my tomatoes in late spring. I read it helps with producing more blossoms and hence more tomatoes. It’s also good for peppers and roses. Epsom salt is a natural mineral that was originally found in a well in Epsom, England. It is magnesium sulfate. Magnesium is critical for seed germination and Sulpher is used for lowering the pH level in alkaline soils like we have here in New Mexico. Sulfur, is also a key element in plant growth.

What I didn’t know was that it is more immediately available to tomatoes and peppers when sprayed on your plant’s leaves vs sprinkling it on the ground. Dilute 1 tablespoon of Epsom salts with one gallon of water, and applied as a foliar spray. When applied this way, Epsom salts can be taken up quickly by plants.

Here is an internet article on Epsom Salts that goes into more detail about it, a trial using it, and how to use it. From now on I will be spraying it on my plants instead of adding to the soil.

I do not add Epsom salts to my other vegetable plants, just my tomatoes and peppers.

Here is the complete article from Garden.org on Epsom Salts.

Epsom salt for tomatoes and peppers – giantveggiegardener (2)

Get more tomatoes with Epsom Salts

Epsom Salts May help increase blossoms in tomatoes and pepper plants. Increase in blossoms means more tomatoes and peppers!

Epsom salts contain magnesium sulfate, two important elements for plant growth.

Magnesium– can become depleted in soil usually later in the season. Magnesium helps strengthen plant cell walls, helping the plant to absorb nutrients. It also helps to increase blossoms.

Sulfur– improves the growth and overall health of plants, it may also help our high alkaline soil here in the southwest.

There are two ways to use Epsom salts for tomatoes.

1. Mix 1 tbsp of Epsom salts into the soil at the bottom of the planting hole when transplanting tomatoes or peppers or mix 1 tbsp in a gallon of water and water the transplant. It may help plants absorb Calcium and other nutrients from the soil.

2. Use as a foliar spray of 1 tbsp per gallon of water when the plants flower. Epsom salt helps set more blossoms.

I’ve used Epsom Salts on my tomatoes, peppers and even roses for years. It will help roses produce more flowers. Scratch in 1/2 cup of Epsom salts in soil around rose bush and water in.

Epsom salt for tomatoes and peppers – giantveggiegardener (3)

Epsom salts

You may have noticed I add Epsom salts (1 tablespoon) at the bottom of my planting hole when planting tomatoes. Why in the world would I do that? Well, Epsom salts are NOT salt at all (as we think of salt) but rather magnesium sulfate. Epsom salt is a naturally occurring mineral that originally came from Epsom, England.

The main ingredient is magnesium which strengthens the plant cell walls, helping the plant to take in nutrients. It also helps with flower and fruit production of tomatoes and peppers. The other ingredient is sulfur which has to help our very alkaline soil a little (can’t hurt). I have read where some people mix Epsom salts with ashes back east but DON’T do that here. Ashes will make our soil more alkaline which we don’t want to do. I also mix up a tablespoon of Epsom salts to a gal of water and put it on that way for established tomato and pepper plants at flowering time if I missed out at planting time. It also helps your roses. They will produce greener, lusher foliage and more flowers with Epsom salt.

It is considered a ‘home remedy’ but has been used by savvy vegetable gardeners for many years. All my tomato and pepper plants produce abundantly and I think this is do in part because of the extra boost of magnesium they get. So relax, buy Epsom salts at your local drug store,plant your tomatoes and peppers and take a nice bath with it afterwards!

Epsom salt for tomatoes and peppers – giantveggiegardener (2024)

FAQs

Epsom salt for tomatoes and peppers – giantveggiegardener? ›

There are two ways to use Epsom salts for tomatoes.

How much Epsom salt for tomatoes and peppers? ›

Yes, Epsom salts can supply helpful magnesium and sulfur for tomatoes, peppers, cucumbers, and other vegetables. Use 1 tablespoon per plant, applied every 2 to 4 weeks.

Can I sprinkle Epsom salt around pepper plants? ›

Peppers & Epsom Salt

By adding one or two tablespoons to the area before planting for seeds, starter plants and full-grown plants, and then adding it twice a week based on the height of the plant (see above), you can give your pepper plants a much-needed magnesium boost.

How much Epsom salt do you put around vegetable plants? ›

The easiest way to use it is to put some in your watering can one or two times a month, using one tablespoon of Epsom salt per gallon of water. If you water often, use one tablespoon per gallon. You can also use Epsom salt as a foliar spray. Use 2 tablespoons per gallon of water once a month.

Can I just sprinkle Epsom salt on plants? ›

The product is high in magnesium sulfate, which increases phosphorus availability to plants, boosting their growth, vigor and blooms. So, yes, one teaspoon for each foot of the plant's height sprinkled around its base (and watered well) can help achieve bigger and better roses if applied once a year in spring.

Which plants do not like Epsom salt? ›

Carnivorous plants — Pitcher plants, venus flytraps, and sundews are some insect-eating plants that should not be applied with Epsom salts. Because they are adapted to grow in mineral-poor and depleted soil, supplementing fertilizers with even a tiny dosage could mean death to the bug-trapping ornamentals.

What happens if you put too much Epsom salt on plants? ›

Adding Epsom salts to soil that already has sufficient magnesium can actually harm your soil and plants, such as by inhibiting calcium uptake. Spraying Epsom salt solutions on plant leaves can cause leaf scorch. Excess magnesium can increase mineral contamination in water that percolates through soil.

What is the best fertilizer for tomatoes and peppers? ›

Feed fruiting crops that have flowered and set fruit with liquid balanced fertilizers such as compost tea, comfrey tea, or solid organic fertilizers in powder, pellet, or granular form. An ideal fertilizer ratio for fruiting tomatoes, peppers, and eggplants is 5-10-10 with trace amounts of magnesium and calcium added.

Do tomatoes like eggshells? ›

There are multiple plants that benefit from eggshells in your garden. Tomatoes, peppers, broccoli, spinach, lettuce, Swiss chard, flowers, strawberries and squash are some examples!

Why use aspirin on tomato plants? ›

The theory is to induce a defense response before diseases arrive. You are boosting your tomatoes defenses BEFORE an attack of leaf spot or blight occur. I have done this for years and believe it works. You have to use aspirin because you need the salacylic acid to mimic the hormone.

What vegetables grow better with Epsom salt? ›

Gardeners apply it to tomatoes, peppers, and roses, hoping to produce more flowers, greener plants, and higher yields. You can use it to improve magnesium content if you know you have a soil that's deficient in that element, but home gardeners are most likely to apply Epsom salts to peppers, tomatoes, and roses.

Do carrots like Epsom salt? ›

Gardeners also use Epsom salts to improve the growth of roses, tomatoes, peppers, carrots, and grapefruits. Epsom salts have neutral pH levels which means it will not affect your garden soil's pH.

Do strawberries like Epsom salts? ›

🍓Here's how you can grow sweeter strawberries: Epsom salt helps BOOST chlorophyll levels in your. plant ➡️ giving the plant more energy ➡️ which. means sweeter fruit!!

What is the ratio of Epsom salt to water for plants? ›

For a general Epsom salt supplement that can be used in the garden and on houseplants, use two tablespoons of Epsom salt per gallon of water, and use this to water your plants once each month in between regular watering.

Is Epsom salt good for tomatoes and cucumbers? ›

That's why your garden can benefit from adding Epsom salt as well. Although you can't use it on every plant, plants like cucumbers, tomatoes, and peppers will benefit since they need more magnesium to grow to their full potential.

What is the best fertilizer for tomato plants? ›

Some growers prefer to use a high-phosphorus fertilizer, indicated by a larger middle number. You can also keep things simple with a fertilizer especially formulated for tomatoes – usually with a ratio like 3-4-6 or 4-7-10. Most importantly, don't over-fertilize.

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