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Bb #878956

Asked July 26, 2024, 6:02 PM EDT

Maple saplings 3 to 4 feet tall. Sudden brown leaves . Trunk still green

Swift County Minnesota

Expert Response

It could be leaf scorch because temps were in the nineties yesterday or a water problem of either too much or two little. Either causes leaf death. Check the soil around the tree for moisture. Water if it’s dry and wait to water and pull away mulch if it’s wet. Check soil moisture amounts daily around saplings.
https://extension.umn.edu/yard-and-garden-news/tips-healthy-seedlings#:~:text=Keep%20your%20soil%20moist%2C%20but,insects%20like%20fungus%20gnats%20thrive.

Evelyn Locke, MN Master Gardener, Tree Care Advisor, Volunteer Replied July 28, 2024, 11:15 AM EDT

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This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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