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What is Lime Sulfur ?

Lime Sulfur is an alkaline (basic) chemical solution with an approximate pH value of 11, defined as Calcium Polysulfide, with the rough chemical formula CaS_x.

Lime Sulfur is not a pesticide, meaning it does not kill insects. However, it disturbs all insects and repels them from the treated trees and plants for a certain period. It prevents nesting and egg-laying. If eggs are already laid, it causes them to decay and stops reproduction.

Lime Sulfur is an effective fungicide, killing all kinds of fungi instantly and preventing their growth. It helps rapidly heal fungus-related diseases and protects plants from fungal infections for a period. Depending on the severity and spread of the fungus, reapplication may be necessary. It is also a powerful cleaner and disinfectant, effective against bacteria, viruses, algae, and other unwanted organisms.

Additionally, Lime Sulfur repels animals such as snails, mice, and snakes from treated areas.

Using Lime Sulfur for plant and tree protection is not harmful to human, animal, or environmental health. However, during application, protective goggles, masks, clothing, and gloves should always be worn. It is approved for use in organic farming in the European Union and the United Kingdom.

How to Apply Lime Sulfur

For Tree and Vine Protection:

Lime Sulfur does not kill insects—beneficial or harmful—but repels them, prevents nesting, and decays any eggs or cocoons that may be present.

⚠️ Important: Lime Sulfur negatively affects pollination. Do not apply during flowering or early pollination stages. Application can resume after pollination and fruit formation.

Make sure it won’t rain for at least 24 hours after application. Rain before the solution dries can wash it away, reducing its effectiveness.

Do not mix Lime Sulfur with any other chemical, fertilizer, or agricultural product. Such mixtures can cause chemical reactions and damage the spraying equipment.

Ensure the spraying equipment is completely clean before use. After use, clean the equipment thoroughly with plenty of water to prevent clogging or damage due to residue.

Lime Sulfur does not increase yield, but by protecting against diseases and pests, it helps the plant produce its natural yield.

Recommended Application Rates and Timing:

• Early December (before winter): 2% Lime Sulfur solution (2 Litre Lime Sulfur in 100 Litre water)
• Early March (start of spring): 2% Lime Sulfur solution (2 Litre Lime Sulfur in 100 Litre water)
• Early April: 1% Lime Sulfur solution (1 Litre Lime Sulfur in 100 Litre water)
• Early May: 1% Lime Sulfur solution (1 Litre Lime Sulfur in 100 Litre water)
• Early June: 1% Lime Sulfur solution (1 Litre Lime Sulfur in 100 Litre water)

Spray thoroughly on the tree trunks, branches, and leaves. Pay extra attention to cracks and crevices in trunks and branches, as pests often nest and lay eggs in these areas.

Lime Sulfur’s protective effect lasts up to 4 weeks. This period shortens with increased rainfall. During heavy rains or in warm winter regions (like the Mediterranean), apply more frequently.

For Vegetable and Plant Protection:

Some vegetables and plants continue blooming while bearing fruit. In this case, apply a 0.5% solution (500ml per 100 Litre water) every two weeks. Higher concentrations may negatively affect pollination of new flowers.

For Soil pH Adjustment:

Due to its alkaline nature (pH 11), Lime Sulfur can be used to raise soil pH. After analyzing soil pH, calculate the required amount, dilute in water, and apply via flood irrigation or drip systems. When using drip systems, consider the risk of clogging due to residues.

In Bonsai Cultivation:

Spray a 1% solution of Lime Sulfur (1L per 100 Litre water) on bonsai leaves. Apply undiluted Lime Sulfur with a brush to the woody parts like the trunk.
For Antique Wood Protection:

Apply undiluted Lime Sulfur with a brush to the desired areas of antique wooden objects.

In Veterinary Use:

Lime Sulfur is used to treat skin conditions (like mange or subcutaneous worms) and parasites (lice, fleas, ticks) on mammals such as cats, dogs, horses, sheep, goats, and cows.

Bathe the animal with a 2% diluted solution of Lime Sulfur (2L per 100 Litre water). Avoid contact with eyes, ears, nose, and mouth. Repeat weekly for at least 4 weeks for effective results.

Can Lime Sulfur be Mixed with Pesticides or Chemicals?

Absolutely not. Mixing with pesticides or other chemicals can cause reactions. If this occurs inside devices like sprayers, it can lead to clogs or permanent damage. Always ensure equipment is completely clean before use.

Shelf Life and Storage of Lime Sulfur:

As long as it remains sealed airtight in its original packaging, Lime Sulfur does not spoil and can be used at any time.

Store in its original, tightly sealed container in a cool, shaded, and enclosed space, away from direct sunlight.