Hello: This may be old news to most, but I just discovered this registry for documentatin of variances in local plant growth patterns over time and in various geographical locations: Project Budburst- A National Phenology Network Field Campaign for Citizen Scientists: http://windows.ucar.edu/citizen_science/budburst/ John Longanecker, Placerville Ca. 2240' Zone 7 Banana Belt- today with thunder, hail, snow and sun.