How do I read a sugar bush’s production records before buying?

Production records are the closest thing a sugar bush has to a financial history. They show what the trees gave, season after season, and they are harder to dress up than a sales pitch. Ask the seller for them early, and set aside time to read them with a pencil. The goal is not a perfect number but a clear picture of what is normal for this bush.

What the records should show

For each season, look for the number of taps, the sap collected, its sugar content, and the syrup produced. Notes on the length of the run, equipment changes and any disruptions help too. Records kept by hand are fine if they are consistent. Gaps, missing years or sudden changes in how things are recorded are worth asking about politely.

Why the ratio of sap to syrup moves

The amount of sap needed to make a given amount of syrup is not fixed. It moves with the sugar content of the sap, which changes with the weather, the trees and the point in the season. A bush that looks less productive in one year may simply have had sweeter or thinner sap. When you compare years, read the sugar content next to the sap volume rather than judging volume alone.

Compare output per tap, year to year

Total syrup depends on how many taps were set, and that may change when an owner adds lines or retires an old section. Divide output by taps to compare like with like. Then look at the pattern: steady, climbing, or sliding. Ask what changed in the years that stand out, such as new tubing, a different vacuum setup or a cold spring.

Questions that test a strong season

• Was that year typical, or did the weather help?
• Were more taps set than in other years?
• Do sales records match the syrup made?
• Was any syrup bought in or blended?

The due diligence guide for maple operations lists the other documents to request alongside these.