First Frost

After years of observing the weather in our Pittsburgh area, October 10th became the average date for our first frost, marking the end of the growing season for frost-sensitive plants. It also marks the date to bring houseplants indoors.

Recently, when I mentioned this date to Stephen Cropper, Chief Meteorologist for WPXI, he shared the table above from the National Weather Service (NWS) in Pittsburgh.

Looking at the long range 10-day weather forecast, it appears the flowers on our deck will get at least another week of growing season, maybe even more.

Extended Fall weather is also good for any lawns that have been seeded late, since we are also near my old cut-off date (October 15th) for successful lawn seeding. Their eventual success has a lot to do with the weather between now and Thanksgiving.


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