Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
$0.00 CAD
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Safer’s 3-in-1 Garden Spray Ready to Use is a 3-in-1 garden spray designed for outdoor plant protection, combining a fungicide, insecticide, and miticide to help manage common garden problems in one ready-to-use garden spray. It’s a multi-purpose garden spray built for growers who want one bottle that covers both chewing and sucking pests, plus familiar leaf issues.
This fungicide, insecticide, and miticide targets powdery mildew, black spot, and rust while delivering kills insects on contact performance for a practical range of soft-bodied and nuisance pests. For insect control, it’s intended for aphid control, whitefly control, mealybug control, earwig control, soft brown scale crawler control, psyllid control, and rose or pear slug control. For mite pressure, it’s positioned for spider mite control, helping address one of the most frustrating leaf-stressing pests in the garden.
The formula centers on potassium salts of fatty acids paired with a sulfur-based fungicide. Potassium salts of fatty acids are described as being derived from natural fats and plant oils, with contact action that works by weakening the protective outer layer of soft-bodied insects. Sulfur supports powdery mildew control, black spot control, and rust control by creating an environment that is unfavorable for fungal growth on plant surfaces. Together, these actives keep the product focused on straightforward, contact-style control rather than complicated multi-product routines.
Safer’s 3-in-1 Garden Spray Ready to Use is described as gentle on most plants and is suited to roses and flowers, ornamentals, fruits, and vegetables. It can be used up to the day before harvest, which helps when you want a flexible, season-long option without locking you into a narrow timing window.
This product is specifically formulated for outdoor use and is not designed for houseplants. It’s a good fit for gardeners who want a ready-to-use garden spray that supports powdery mildew control and rust control while also covering aphid control, whitefly control, and spider mite control in outdoor beds, borders, and edible gardens.
| Potassium Salts of Fatty Acids | 0.75% |
|---|---|
| Sulfur (S) | 0.4% |
Potassium salts of fatty acids are important because they quickly knock down soft-bodied pests by direct contact, breaking down protective layers so pests dry out and die. They’re unique because they work immediately on contact with little lasting residue, so success depends on thorough coverage and smart timing rather than long-term leftover activity.
Sulfur is important because plants need it to build key amino acids and proteins that drive real growth, strong structure, and efficient use of nitrogen, making it uniquely different from “look-alike” nutrients that may change leaf color without supporting the plant’s core building process.

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