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Black oak
Quercus velutina
Budburst user
Denver,
Colorado
Denver,
Colorado
(Lat: 39.788164, Long: -105.025983)
October 17, 2025
Phenology observation
Leaves Unfolding
All leaves unfolded
All or most leaves are fully unfolded.
All leaves unfolded
All or most leaves are fully unfolded.
Flowers
Late Flowering
Most flowers have wilted or fallen off (over 95%) or most pollen has fallen.
Late Flowering
Most flowers have wilted or fallen off (over 95%) or most pollen has fallen.
Fruit
Late Fruiting
Most fruits or seeds have been dispersed from the plant (over 95%).
Late Fruiting
Most fruits or seeds have been dispersed from the plant (over 95%).
Autumn Leaf Color Change
All leaves changed color
All or most leaves have changed color.
All leaves changed color
All or most leaves have changed color.
Autumn Leaves Dropping
Early dropping
Only a few leaves have dropped (less than 5%).
Early dropping
Only a few leaves have dropped (less than 5%).
Notes
Most of the Acorns have dropped to the ground.
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