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Sugar maple flowers that are fertilized in spring, will develop into mature seeds in late summer. The seeds come in the form of winged samaras (sometimes referred to as helicopters or whirligigs). Sugar maple samaras develop in pairs but generally...
There are four grades of pure maple syrup; Golden Color/Delicate Taste, Amber Color/Rich Taste, Dark Color/Robust Taste and Very Dark Color/Strong Taste. Each grade has a range in color as defined by its light transmittance. Knowing the color of p...
As late summer progresses so-called late-season defoliators are beginning to become visible in Vermont woods. Two such insects are maple leaf cutter and maple trumpet skeletonizer. The first report of damage from maple leaf cutter was in 1911 when...
Gardeners know that earthworms can be beneficial for growing vegetables and flowers by helping with soil aeration and producing fertilizer through their castings. Sugar makers may not know that earthworms and relatively newer invaders the so-calle...
International Maple Syrup Institute
The International Maple Syrup Institute (IMSI) was founded in 1975 to promote and protect pure maple syrup and other pure maple products. Its mission remains largely unchanged: The organization provides an important international framework for com...
The Vermont maple law requires packaged maple syrup have a density of between 66.9 and 68.9 degrees Brix. Brix is a measure of sugar concentration in a pure sugar solution. Although we know there are other many dissolved minerals in maple syrup th...
Forest Tent Caterpillars Update
It appears as though the recent widespread defoliation event related to forest tent caterpillar has ended. According to the Vermont Department of Forest Parks and Recreation, there have been no reports of defoliation attributed to this native inse...
Autumn colors in leaves of maple trees is an annual phenomenon that is highly prized for its beauty and is also economically important. As day length shortens, the tree stops making new green chlorophyll pigment while the chlorophyll already in th...