Benefits Of Lime Sulfur On plants, A Natural Pesticide

lime sulfur

What are the benefits of lime sulfur? Where to use it? What is lime sulfur? What to do with lime sulfur? Can’t you just buy the appropriate chemicals that are needed for pests and insects from the pesticide dealer and get away with them? Of course, you can, but why not give a try to a way which is a cheaper and more natural way to protect your plants and trees, repel pest and pests? To figure out when and how to use lime sulfur with your plants, just keep reading.

For the ones who is searching for how to prepare the lime sulfur at home, I’m going to explain it detailed soon, in my next article.


What is the benefit of Lime Sulfur and where to use it?

The lime sulfur aka calcium polysulfide is the Solution made by mixing calcium polysulfides and thiosulfate or with more common names, lime, and sulfur. It has a high pH level, which is of 10.7 so it can be used as a perfect soil conditioner. According to studies, calcium polysulfide has a high positive effect when dripped in tomato. In addition, thanks to elements such as sulfur and copper it is a nice disease and pest control tool. The smell of the solution not only the pests but sometimes even makes me run away from it. But is it harmful? Of course not. It’s one of the natural, safe and better ways to get rid of pests and insects when used prudently. Lime sulfur is not a wise option for today’s large agricultural fields as it has some limitations with implementations , but it’s still a good choice for smaller fields and and gardens.

When to use lime sulfur with plants?

That’s the question to ask. It could be confidentially started to apply for deciduous fruit trees during December. If your start time is that month, the fight against diseases, pests and frost damage in your trees would also be quite effective. Besides that, after preparing and applying the lime sulfur, it will also provide a protective effect, since it helps to keep the plants warm in winter. In the spring and summer months, it also has a positive effect on keeping the pests off the tree and protecting the body from the sun’s rays.

So, what is the best dosage of Lime Sulfur?

In winter – especially in December, for cold regions, and especially with apples, recommended the best dosage when using lime sulfur would be preparing a mixture of 30 liters/8 gallons of Lime slurry in 1000 lt water. As for the second application right before blooming, around February and March, 15 liters/4 gallons to 1000 liters of water, and around March or April, 10 liters/2.7 gallons to 1000 liters of water would be the best to use. If growing them commercially, It is recommended not to use lime sulfur on peaches before harvest as it leaves. It leaves its smell on the fruit and might cause to lose its market value. It doesn’t have the same effect for apples, as they go through the washing unit right before packaging, so you can safely use it with apples.


What pesticides and diseases does lime sulfur protect againist?

  • The mealybug in olive ( pay attention to the dosage. It should not exceed 1% or 1.5%),
  • powdery mildew on tomatoes
  • powdery mildew on grapes
  • bacterial burn tomato and quince
  • tomato and moldy mildew and leaf mold in tomato,
  • scale insects,
  • all cotton pests,
  • bacterial blight in tomato,
  • Powdery mildew in the vineyard,
  • Black spots in Apples (mostly sooty blotch or flyspeck)
  • Phylloxera in vineyard
  • Phomopsis (Dead-arm infection) in the vineyard…

Obviously we can extend this list, but the positive effects of the lime-sulfur on above written diseases have been experimented and proven. You can check out scientific resources here as well; spring_disease_controlspring_disease_control and

The lime sulfur sediment applied to the body of the trees has also been reported to be effective with pests such as snails and slugs. If you want to know whether lime-sulfur is harmful to human health, here you can read human health effects of lime sulfur.

I hope you have the most healthy plants with maximum yields in a pesticides and diseases-free environment!

Here is a video showing how lime sulfur is made in your garden. Althought the video is not English, it might be useful to give some clues.

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