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Field Notes

Maple Sugaring Spring Phenology

Event

Date

Description

First Maple Tree Tapped   Tree is tapped when first sap run is expected soon. We watchfor daytime high temperatures in the 40's, and nights still freezing. over period of almsot a week

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First Maple Sap Runs   Sap runs for the first time.

(Note: Even if you can't tap a tree, you can watch for the first sap to run. Simply find a broken branch on a Maple tree--and report to Journey North when the sap flows.)
First Full Bucket   We've gathered the first 5 gallons of sap from single tree. Our first bucket is full!
First Sap Boiled   Sap must be boiled now because warm temperatures would cause the sap to spoil. (Temperatures of stored sap must remain in the 30's.)
First Bud Run   It's time to pull the tap. The sap becomes cloudy and we know it's the first bud run.
Buds Break   When the buds break and you can see a light green hue to the woods, sugaring is over for the season.
Our Tree Flowers   Maple trees flower just before leaves begin to form. Click here to see Maple Flowers.
Leaf-out Occurs   Leaves on our maple tree are the size of a quarter.
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