Can I Dust Rose Bushes With Sulfur Powder?

Ancient Greek poet Homer famous sulfur’s”pest-averting” qualities in 1000 B.C.. From the mid-1800s, the substance was being used by vineyards. Nowadays, garden sulfur dust is still widely utilized in the organic grower’s arsenal to fight fungal diseases of roses (Rosa spp.) . Whether you opt to dust the increased or utilize a wettable powder blended with water to spray on the plant, you should follow the directions carefully.

The Way It Works

Powdery mildew, disorder rose, is caused by various fungi. Sulfur powder oversees these organisms by interrupting their mobile processes. In addition, it helps prevent diseases increased Since the sulfur also provides an environment for various different kinds of spores. Roses increase in U.S. Department of Agriculture plant hardiness zones 3 through 10, based upon the variety.

Timing of Program

Use sulfur powder as a preventive remedy by applying it in early spring, while the bush is dormant. You might use the powder to deal with infected by applying it as soon as you notice 20, rose buses. The powder will wash off which means you’ll want to reapply it.

How to Employ Sulfur

So you won’t require special equipment to apply it to the rosebush garden sulfur comes in shaker packages. Shake it heavily life. Some garden sulfur powders can be mixed with water and sprayed the bush. Utilize the mixing instructions recorded on the tag of the product. Put it into a spray bottle or tank and then A general rule of thumb would be to split 4 tablespoons of this powder in 1 gallon of water. Spray all parts of the bush until they are coated.


Wait at least 24 hours to come back to the treated area. Avoid applying sulfur when temperatures are expected to exceed 90 degrees Fahrenheit and over fourteen days of working with a petroleum product, such as horticultural oil spray.

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