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Budburst user
•
Vail, CO
May 8, 2026

Phenology observation

Leaves Unfolding
ALL UNFOLDED MIDDLE FIRST EARLY BUD BURST NONE
First Leaf
First leaves are completely unfolded (flat) on at least three branches, leaf stem or base must be visible.
Flowers
LATE MIDDLE EARLY FIRST BUD BURST NONE
Middle Flowering
Half or more of the flowers are fully open or releasing pollen on three or more branches.
Fruit
LATE > MIDDLE EARLY FIRST NONE
Early Fruiting
Only a few ripe fruits or seeds are visible (less than 5%).
Autumn Leaf Color Change
ALL CHANGED 50% COLOR EARLY NONE
None
No leaves have changed color.
Autumn Leaves Dropping
ALL DROPPED 50% LEAF DROP EARLY NONE
None
No leaves have dropped.

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