What's with all those acorns? UofM horticulturist has the answer

The strange weather we've had the past couple of months may be a factor.

Susie Jones
August 22, 2018 - 4:21 pm

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Maybe you've noticed, but there sure seems to be a lot of acorns falling from trees these days.

"Sometimes trees will produce an abundance of seeds due to something called masting," said Julie Weisenhorn, a horticulturist at the University of Minnesota.

Masting, or the mass production of seeds in a short amount of time, is a biological response to the environment. And the strange weather we've had the past couple of months may have been a contributing factor.

"This year we had that snow storm in April, and then boom, everything exploded. The insects came out, the plants came up, the flowers bloomed," she said.  "That may have caused  trees to go into survival mode."

Trees also produce in cycles.

"Apple trees may produce a lot one year, and then not so much the next." 

Weisenhorn says trees are a complex and interesting species." "We don't understand everything about trees which I actually think is pretty cool."  She said they are getting a lot of questions at the University of Minnesota's extension office.  They have local

Master Gardener volunteers ready to answer question you might have about your garden, or trees.