What to do when a hard frost hits your fruit tree blooms

What to do when a hard frost hits your fruit tree blooms

Fruit tree bud seen after a late-season freeze. | Yuri Antonenko on Unsplash REXBURG — On Thursday and Friday, temperatures in some areas of east Idaho dipped down to the low 20s (20-23 degrees Fahrenheit), which is cold enough to kill 90% of flowers and developing fruitlets. In areas that did not go below 30 degrees, fruit tree blooms will not be damaged. To determine frost damage, slice the flower or fruitlet in half. Brown tissue indicates de…