Cherry White Bud stage

Bud Stages

The development of fruit trees, insects, diseases and other organisms depends on how warm the spring has been (growing degree days). Bud stages are an indicator of growing degree days and can be used to predict when various pests and diseases are likely to appear and to evaluate cross pollination. Similar bud stage terminology is used around the world. The following bud stage charts were prepared by Jon Clements of the University of Massachusetts; click on the type of fruit: apples, pears, peaches, plums, apricots, and cherries. Another great source is this publication from Cornell University, they call them “Growth Stages”.

Green tip Apple
Green Tip Apple
Mouse Ear Apple
Mouse Ear Apple
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