Bonide Sulfur Plant Fungicide
Best preventative fungicide for home fruit and vegetable gardeners.
This micronized dust is the ultimate preventative strike against fungal outbreaks in your home orchard. It offers incredible versatility for both wet and dry application, though you must be diligent about timing your treatments to avoid heat stress and oil-based product conflicts.
$17.99
at
Starkie Bros. Garden Center
Who it's for
- Gardeners managing multiple fungal issues with one versatile solution
- Organic growers seeking natural, mineral-based disease management
- Plant owners needing simultaneous protection against fungi and common pests
Who should skip it
- Gardeners in hot climates prone to foliage burn
- Aesthetic-focused growers bothered by visible residue and strong odors
- Owners of sensitive plants like squash or delicate ornamentals
Performance breakdown
Application Versatility
Micronized formula works seamlessly as either a dry dust or spray.
Disease Spectrum
Highly effective at stopping powdery mildew, rusts, and common leaf spots.
Crop Compatibility
Safe for a broad range of home orchard and garden staples.
Preventative Efficacy
Superior at blocking spore germination when applied before infection takes hold.
Environmental Sensitivity
Strict temperature and oil-spray limitations require careful planning for safe application.
Maintenance Requirements
Weekly reapplication is necessary to maintain a consistent protective barrier.
Key Specs
Available in 1 lb. Container and 3.25 lb. bag sizes.
Formulation
Micronized Dust / Wettable Sulfur.
Controls Black Spot, Powdery Mildew, Rusts, and Leaf Spot.
Safe for use on berries, cherries, grapes, citrus, apples, cucurbits, apricots, and currants.
Product Label available as PDF.
SDS (Safety Data Sheet) available as PDF.
Active Ingredient
Sulfur.
Application Method
Dust.
Formulation Type
Wettable Powder, Dust.
Mode of Action
Preventative, Contact.
Know before you buy
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