Q. Until when can one recite the Birchat Hailanot (Blessing on the blooming trees)?
A. Horav Shlomo Miller’s Shlit’a opinion is that it can be recited until the buds turn into an edible fruit.
Rabbi A. Bartfeld as revised by Horav Dovid Pam, Horav Aharon Miller and Horav Chanoch Ehrentreu Shlit’a