Horticulturist says Iowa oaks’ mast year helps outpace predators

Many Iowa oak trees are producing a bumper crop of acorns this year. Iowa State University Extension Horticulture Specialist Aaron Steil says it’s a “mast year” for oaks. “This is something that happens probably every three to five years. It’s pretty dependent on the weather, but it’s not very regular, so they do tend to […]

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