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Do acorns fall every year?

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Boom times, called “mast years,” occur every 2-5 years, with few acorns in between. But the why and how of these cycles are still one of the great mysteries of science. Scientific research can tell us what a mast year is not. read more

Oak trees produce acorns once per year. The number of acorns produced can vary from a handful one year to a large amount on what is called a "mast year." A theory that explains the excessive fruit production is predator saturation, when the tree attempts to produce more fruit than can be eaten by predators. read more

Red oaks and white oaks typically alternate heavy years. This is a big year for white oaks. Acorn production varies for many reasons, according to other tree experts. It takes a lot of an oak's energy and food to produce acorns, so a tree's health, vitality and resources can impact numbers. read more

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Acorns: Abundance, Absence, and the Race for Survival ...
Source: vmnh.net