Manuel from Indio Ca. writes
Yes, you can use Bonide All Seasons Horticultural Spray Oil https://www.domyown.com/bonide-all-seasons-horticultural-spray-oil-p-1525.html on rose bushes. According to the label chrome-extension://oemmndcbldboiebfnladdacbdfmadadm/https://www.domyown.com/msds/All-Seasons-HD-Spray-Oil-Label.pdf you can spray as needed but please refer to page 19 for the timing and dilution rates.
Answer last updated on: 03/29/2020