Mary from Silverton,or writes
After opening, Songbird Essentials Clear Ready To Use Hummingbird Food should be refrigerated and will keep it’s efficacy during the hummingbird season which is typically 1-3 months. Unopened, this product would not have a shelf life as long as it does if stored in a cool, dry place with no extreme temperature changes
Answer last updated on: 11/02/2021