Jun. 10—If you think you've been seeing an invasion of helicopters this year, you're not imagining things. Southern Minnesota maple trees are producing a copious amount of seeds that flutter from ...

You may have noticed lots of those helicopter maple tree seeds filling up rain gutters or piling up on the sidewalk this year. State Forester Tivon Feeley says the large amount of seeds created a ...

Q. Last fall, I collected Japanese maple seeds from trees in the neighborhood and planted about 100 of them in small pots, left them out over the winter, and did not get a single sprout. Advice on how ...