Certain tree species, such as maple, birch, dogwood and elms, have an exceptionally heavy sap flow in the early spring. When pruned or wounded, these trees will “bleed” quite noticeably. Under normal ...

“More mud, more sap.” During long cold spells, the tree tapping process gets delayed. When temperatures drop below freezing overnight, the flow of the sap slows significantly or stops completely.

“More mud, more sap.” During long cold spells, the tree tapping process gets delayed. When temperatures drop below freezing overnight, the flow of the sap slows significantly or stops completely.

Maple syrup production is contingent upon two climate-sensitive characteristics: its sugar content and sap flow. Sugar content depends on the amount of carbohydrates the tree has stored after a ...

The tree ring study goes back to 1822, extending by more than 100 years the records otherwise kept by local weather stations and river gauges. It underlines how climate change has already reshaped ...

Maple Tree sap tapping has been difficult in 2023 for a lot of farmers. Due to inconsistent weather and snow maple sap tapping may be over.

With climate change, daily temperatures are on the rise, which affects sap flow and sugar content. By 2100, the maple syrup season in eastern North America may be one month earlier than it was ...