Per the SDS, Ferti-Lome Horticultural Oil Spray RTS has an ammonia odor.
Per manufacturer instructions, do not spray Ferti-Lome Horticultural Oil Spray RTS when it is 90 degrees or hotter. We recommend that you use this early in the mornings or later in the evenings when its cool to avoid burning your plants.
Ferti-Lome Horticultural Oil Spray RTS will not harm bees or butterflies as long you do not spray when they are foraging, we recommend your spraying early morning or late in the evening. It could harm them if they contact a treated area while wet.