How often can I re-apply Sevin® Lawn Granules? Repeat applications as needed if signs of renewed insect activity or damage appear in lawns or garden areas. However, do not apply Sevin® Insect Killer Granules more than once every seven days. How often do you vacuum your house? how often should i vacuum carpet.

How long does Sevin bug spray last?

Sevin dust will remain effective for up to three months after the initial application. Still, remember that contact with water or being washed away by sprinklers or rain will either weaken or eliminate its intended effects.

How often can you apply Sevin dust spray?

Sevin Dust 5% can be applied as needed but no more than as listed on the product label for the treated vegetable which ranges from 4 to 7 max applications a year.