This is one of the most popular questions we hear from customers who are getting started in the hobby. It is also one of the most difficult questions to answer, even for the veteran sugar maker. While it may sound cliche, tapping your trees at just the right time is both an art and a science. There is no golden rule or specific date each year that works for everyone, in every location, every year. However, there are a number of factors we can look at that will help us determine when to start tapping.
The typical maple sugaring season in North America occurs during the early spring months between January and April each year. Climate and your specific geographic location are the two major factors that will determine the beginning and end of your sugaring season.
Climate is the most important consideration, as it directly effects the biology of the maple tree itself. First, let’s discuss how sap flows from a tree so we can better understand the process.
Maple sap flows from your tree tap due to a fluctuation in the tree’s internal pressure, which is caused by environmental temperature changes that occur each spring. Freezing temperatures at night, and above freezing temperatures during the day are the catalyst for this internal process. Every spring, this special freeze-thaw cycle occurs as we move away from winter. The maple tree stores water and essential nutrients in its sap during the winter, which is pumped up from the ground through the trunk and to each individual branch.
Each year brings new climate change related challenges to those of us who make maple syrup. In the 2015 season, an unusually cold and harsh winter led to a very late start to the season for us here in New England and in the Midwest. When most of us would be collecting sap in February, the unusual arctic blasts pushed the sugaring season into March. At the time, we were worried about whether or not the warm weather would then come too quickly in March, causing the trees to sprout buds – effectively ending the season before much sap could be collected. Despite those fears, March turned out to be a very successful month for sugar makers in 2015.
This year, the 2016 season has its own climate related challenges to overcome thanks to El Niño. El Niño is a cyclical global warming event caused by warming of the equatorial Pacific Ocean. This warming pattern typically creates warmer, drier winters for New England, the Northern Mid-Western states, and the North Western states. So what does that mean for us this year?
While the exact effects of El Niño remain to be seen, scientists are predicting a milder winter here in New England. We anticipate tapping our maple trees this coming week here in Connecticut, Monday January 25, 2016. Here’s this week’s weather forecast, notice the above freezing temps during the day and freezing low temps. Sap will be flowing very nicely on those days where it warms into the 40’s.
That brings us to the next factor to consider, geographic location. Our customers are located all across the United States, so tapping times vary greatly depending upon your location. For example, here in Connecticut we usually tap quite a bit earlier than Vermont or New Hampshire, as their temperatures stay colder longer up North. That is balanced out by the fact that as we warm up here and buds sprout on trees in Connecticut, producers up North are still collecting sap a few weeks after we end. The same can be said as you travel further North into Canada where the season can extend into early April.
Our final tip to you as you embark on your first season, would be: reach out to local sugar makers in your area. Stop in to your local sugar shack or place a call; ask them if they’ve tapped their trees yet. We are a unique breed who enjoy creating a natural, delicious product from the land and often have a story to share with those who express curiosity in this ancient tradition.
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5 thoughts on “When Should I Tap My Maple Trees?”
Hi! I just received your kits and tapped my first ever Maple here in Virginia, today 12 Jan 2017. No sap flowing. Does that mean too early, too late here or maybe I didn’t drill the hole deep enough. (About 1.5 inches on a 12 inch tree) Any advice would be appreciated!
Hey Gary! Thanks for ordering with us. We recommend going about 1” deep past the bark which can represent about a 1.5” or so total depth. Sure you can go a bit more, maybe 2” is fine. If no sap is flowing it is more likely that the conditions are just not right yet for the tree to flow sap. Keep in mind that each tree is unique and some produce more than others. I would continue to monitor the sap flow – ideal conditions are when it is below 32*F at night and above 32*F during the day.