tree vegetative bud at springtime

gemmation budbreak budding breaking buds leafingout pushing bursting woody bud flower covering thick pubescent scales frosty nights spring blossom fruit vegetative leaf gemma unexpanded leaves plant phenology springtide alchemy bloom flowering springs frosts late frost blackberry winter dogwood later wakening springtime evocation indumentum downiness cotton pubescence beard fluff cold endurance resistant hardiness constancy colds rigor lowtemperature resistance