We didn't reach the growth stages we now see until April 30, which was more or less normal. We are somwhere between 3 and 4 weeks ahead of normal. Bud Stage Ave. temp. These are the tables on critical temperatures from Jon Clements at the Virtual Orchard on the web. Research Ctr. are at pink bud.
Cherries are at swollen bud.
Bud Stage Ave. temp. Be ready to spray for scab now. It's too late for copper in most areas. Oil if you can. Fertilizer should be going on.