I have an opened 3litre bottle of nature’s way pyrethrum plus canola oil pest spray with a DOM of July 2016! ?


31 August 2021 02:40 PM

Hi Penny,

Thank you for contacting Yates.
The product will last nearly indefinitely, as long as it has been stored correctly in a cool and dry place. After 5 years, product effectiveness may become slightly reduced. 
Hope this helps and happy gardening :)

Topics: Flowers and Ornamentals Issues: Pests