I sprayed everything. Junipers, pines, boxwoods, azaleas, and all my deciduous too. It ended up being a little later than I'd have liked, but... I went w/ the 5Tbsp/gal (or 2Tbsp/1500mL that my sprayer will hold) dilution as it was the lowest effective dilution for dormant plants. I read a few things about applying at >40ºF, but also that there's no documented proof that applying @ <40ºF causes any harm. I'd have preferred if we weren't going to dip below freezing overnight, but I also thought it better to get it done than put it off and not get around to it.
