UNIVERSITY OF MINNESOTA EXTENSION - www.extension.umn.edu
This maple has yellow leaves and some die-back in the canopy, which could be a sign of stress.
Since mid-July, I’ve noticed something strange in several maple trees I’ve driven by: their leaves are starting to show fall color! Sometimes...
UNIVERSITY OF MINNESOTA EXTENSION - www.extension.umn.edu
Some maple syrup producers might be concerned about winter warm-ups and sap flowing early. Most large producers in northern Minnesota base their schedules on the calendar— tap in February to be ready by March 1. Producers in the Twin...
Maple syrup is the sweet nectar of maple trees. Legend has it that maple syrup was first discovered centuries ago by Native Americans during a time when food was scarce. Native Americans, as the legend goes, noticed a squirrel drinking "water" from a maple tree, and that squirrel had a lot of...
UNIVERSITY OF MINNESOTA EXTENSION - www.extension.umn.edu
In Minnesota, sap usually runs from about March 15 to April 20. Sap begins running when the temperature is mild during the day and freezing at night, but it’s a small window—too cold and the sap won’t have started running, and too warm (...