Refet. from 53549 writes
Bonide All Seasons Horticultural Spray Oil may be used at the DORMANT STAGE (before buds show green tissue), GREEN TIP STAGE (when leaves of blossom buds are bursting and show about ? to ¼ inch of green color), DELAYED DORMANT STAGE (when the leaves of the blossom buds are out from ¼ to ½ inch), and during the GROWING SEASON. Please refer to the product label for complete instructions depending on the type tree/plant you are spraying.
Answer last updated on: 05/13/2019