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  1. Immature pine cones dropping from my trees - Ask Extension

    Jun 5, 2013 · The cones you see at the top of the tree may be new cones or female cones closed after pollination. Every species of pine trees have different growth habits when it comes to cone …

  2. Pine cones only at the top of the tree - Ask Extension

    Nov 24, 2017 · It means the tree is normal. Conifers have separate female and male cones. This is an evolutionary trait to reduce self pollination. Male pollen cones are typically on the lower part of the …

  3. Columnar Blue Spruce Cones - Ask Extension

    Mar 8, 2019 · When is the best time of year to pick off the pine cones off my Columnar Blue Spruce? Should I pick the cones as soon as the buds emerge to help promote vertical tree growth?

  4. Why are immature pine cones falling? - Ask Extension

    Jul 6, 2023 · I am wondering why so many of the immature pine cones are dropping before they have a chance to develop. This happened two years ago, and I don't recall having ANY pine cones last year.

  5. Blue spruce pine cones - Ask Extension

    Jul 1, 2021 · Hi Sharon, The bumper crop of cones are probably the result of our drier summer last year. Many conifers, including spruces, firs and Douglas-fir, produce cones in a two-year cycle. Cone buds …

  6. Pine cones dropped before maturing. - Ask Extension

    Jul 20, 2021 · Hello--I have a very big white pine tree, maybe about 28 years old. This spring, many of the pine cones that were forming at the top of the tree dropped before they could mature and open.

  7. White pine needles - Ask Extension

    Oct 22, 2019 · White pine cones take two years to mature. Pine tree produce a lot of cones on some years and few in other years. White pines retain needles for three years, but in autumn, 2-or-3-year …

  8. Immature Green Pine Cones - Ask Extension

    May 25, 2013 · This year we are seeing an abundance of green immature pine cones falling in our yard. We always see many pine cones throughout the year but in the past they have been brown and mature.

  9. Why Are There So Many Pine Cones This Year? - Ask Extension

    Apr 8, 2020 · Ponderosa pine cones mature in 2 year cycles. The cones that have fallen off this past fall/winter were produced in the Spring of 2018. Following several drought years, tree stress could …

  10. So very many pine cones?! Is this OK? - Ask Extension

    Jan 7, 2021 · Before the snowfall, I raked up and moved at least ten five gallon sized home depot buckets of the cones from beneath the tree to my backyard yard-waste pile thing, yet there were still …