Maple sap drips from a spile into a bucket, Sunday, Feb. 25, 2024, in Deerbrook, Wis. In many parts of Wisconsin and the Midwest this year, the warmest winter on record drove farmers and hobbyists alike to start collecting tree sap for maple syrup a month or more earlier than they normally would. (AP Photo/Joshua A. Bickel)
Jeremy Solin walks through his sugarbush as he collects maple sap from trees, Sunday, Feb. 25, 2024, in Deerbrook, Wis. In many parts of Wisconsin and the Midwest this year, the warmest winter on record drove farmers and hobbyists alike to start collecting tree sap for maple syrup a month or more earlier than they normally would. (AP Photo/Joshua A. Bickel)
Lance Martin holds a jug of maple syrup as light shines through it, Sunday, Feb. 25, 2024, in Rhinelander, Wis. In many parts of Wisconsin and the Midwest this year, the warmest winter on record drove farmers and hobbyists alike to start collecting tree sap for maple syrup a month or more earlier than they normally would. (AP Photo/Joshua A. Bickel)
Joe Shepard, right, loads plates into a filter press as he shows how to run a maple syrup evaporator, Monday, Feb. 26, 2024, at Bodwéwadmi Ktëgan, farm of the Forest County Potawatomi tribe, in Laona, Wis. Shepard, the assistant farm manager there who's lived in northern Wisconsin his whole life, said he can't remember a winter like this, with no snow. (AP Photo/Joshua A. Bickel)
Karl Martin pours maple syrup out of his hydrometer as he measures the density and sugar content of the syrup, Sunday, Feb. 25, 2024, in Rhinelander, Wis. (AP Photo/Joshua A. Bickel)
A sugar maple leaf rests on a patch of snow, Sunday, Feb. 25, 2024, in Rhinelander, Wis. (AP Photo/Joshua A. Bickel)
A recently felled maple tree reveals darker lines where old tap holes have healed, Sunday, Feb. 25, 2024, in Deerbrook, Wis. (AP Photo/Joshua A. Bickel)
Jonathan Davis, right, walks back into a garage as his father, Steven Davis, left, starts up their sap evaporator, Saturday, Feb. 24, 2024, in Sturgeon Bay, Wis. (AP Photo/Joshua A. Bickel)
Karl Martin drives past sap lines, Sunday, Feb. 25, 2024, at his sugarbush in Rhinelander, Wis. "This year’s the ultimate example of how early the season can start,” Martin said. (AP Photo/Joshua A. Bickel)
Bob Martin stirs maple syrup, Sunday, Feb. 25, 2024, in Rhinelander, Wis. In many parts of Wisconsin and the Midwest this year, the warmest winter on record drove farmers and hobbyists alike to start collecting tree sap for maple syrup a month or more earlier than they normally would. (AP Photo/Joshua A. Bickel)
Bob Martin stirs maple syrup, Sunday, Feb. 25, 2024, in Rhinelander, Wis. (AP Photo/Joshua A. Bickel)
Dave Solin, right, holds a hose as his granddaughter, Ella, left, runs a reverse osmosis machine used for processing maple syrup, Sunday, Feb. 25, 2024, in Deerbrook, Wis. (AP Photo/Joshua A. Bickel)
Jeremy Solin points out a 250-year-old sugar maple tree called Grandpa Tree in his sugarbush, Sunday, Feb. 25, 2024, in Deerbrook, Wis. (AP Photo/Joshua A. Bickel)
Karl Martin checks inside a pumping station, Sunday, Feb. 25, 2024, at his sugarbush in Rhinelander, Wis. "This year’s the ultimate example of how early the season can start,” Martin said. (AP Photo/Joshua A. Bickel)
Bob Martin, right, bottles maple syrup as it passes through a filter press, Sunday, Feb. 25, 2024, in Rhinelander, Wis. (AP Photo/Joshua A. Bickel)
Steam bellows out of a chimney at Jeremy Solin's sugar shack, Sunday, Feb. 25, 2024, in Deerbrook, Wis. (AP Photo/Joshua A. Bickel)
Jonathan Davis, left, tastes the first run of maple syrup with his father, Steven, right, Saturday, Feb. 24, 2024, in Sturgeon Bay, Wis. Steven Davis, who started tapping 220 trees on his family's land about six years ago, said he now feels "more like partners" with the land. (AP Photo/Joshua A. Bickel)