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When to plant in Mount Morris, NY

Planting dates worked out from Mount Morris's own frost records, not a generic zone chart.

Last spring frost

  1. Early · riskyApr 249 years in 10 still get a later frost
  2. TypicalMay 2about half of years get a later frost
  3. Safe to plant outMay 141 year in 10 gets a later frost

Hardy crops like peas and spinach are timed from the typical date. Wait for the safe date before planting out tomatoes, peppers and squash.

First fall frost

  1. EarlyOct 41 year in 10 has frost by then
  2. TypicalOct 18about half of years have had frost
  3. LateOct 319 years in 10 have had frost by then

A typical year has 171 frost-free days. Plan for tender crops to be ripe by the early date.

Station used: Mt Morris 2w · 2.6 km away · station 268 m, town 192 m. How we match towns to stations

This season

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Planting dates for common crops

CropStart indoorsPlant out or sowHarvest from
Tomato Mar 19 – Apr 2 May 14 – May 28 Jul 8
Sweet pepper Mar 5 – Mar 19 May 14 – May 28 Jul 13
Lettuce (leaf) Mar 5 – Mar 12 Apr 9 – Apr 23 May 19
Peas — Apr 9 – May 7 Jun 3
Bush beans — May 7 – May 28 Jun 26
Carrot — Apr 19 – May 31 Jun 18
Beet — Apr 19 – May 31 Jun 8
Potato — Apr 19 – May 10 Jun 28
Kale Mar 5 – Mar 19 Apr 16 – Apr 30 May 29
Broccoli Feb 26 – Mar 12 Apr 9 – Apr 30 Jun 8
Cucumber Apr 16 – Apr 23 May 14 – May 28 Jul 3
Summer squash and zucchini Apr 16 – Apr 23 May 14 – May 28 Jun 28
Winter squash Apr 16 – Apr 23 May 14 – May 28 Aug 2
Sweet corn — May 7 – May 28 Jul 6
Onion (from sets) — Apr 9 – Apr 30 Jul 8
Garlic — Oct 4 – Nov 1 (fall) following summer
Spinach — Apr 9 – May 7 May 17
Basil Apr 2 – Apr 16 May 14 – May 28 Jul 10

Plan all 65 crops for Mount Morris

Mount Morris's weather over time

How the growing season has shifted here, year by year, from the station's own records.

Mar 1Apr 1May 1Jun 1 1900191019201930194019501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1893May 8
1894Jun 8
1895May 22
1896Apr 24
1897Mar 7
1899May 15
1949May 11
1950May 14
1951May 4
1952May 3
1953Apr 29
1954May 9
1955Apr 9
1956May 25
1957May 17
1958May 10
1959May 1
1960Apr 29
1961May 6
1962May 10
1963May 24
1964Apr 16
1965Apr 28
1966May 11
1967May 23
1968May 7
1969May 27
1970May 7
1971Apr 27
1972Apr 30
1973Apr 25
1974May 11
1975Apr 28
1976May 20
1977May 10
1978May 4
1980Apr 24
1981May 18
1984Apr 22
1985May 10
1986May 4
1987May 5
1988Apr 28
1989May 7
1990May 12
1993Apr 28
1994May 3
1995Apr 26
1996May 8
1997May 8
2004Apr 29
2010May 12
2011Apr 24
2012Apr 30
2013May 14
2014Apr 29
2015Apr 26
2016May 17
2017Apr 8
2018Apr 23
2019Apr 30
2020May 14
2021Apr 27
2022May 8
2023May 18
2024Apr 27
2025Apr 18
2026Apr 22

What this means for you: Since 1893, Mount Morris's last spring frost has stayed at about the same time of year. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Mt Morris 2w (NOAA GHCN-Daily). Years with too many missing days are left out.

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