Cool-season vegetables
Earliest outdoor start: February 9
Suitable window: February 9 – May 31; September 14 – November 29
Cool-season crops prefer cooler weather.
Midsummer is often too hot, so suitable weeks split into more than one window.
When to plant vegetables here. Cover calendars (fleece, cold frame, unheated greenhouse) are on each plant’s when-to-plant page.
Charlotte has a long growing season, with roughly 268 frost-free days between the typical frost dates. Typical last spring frost: around March 8 (half of years later). Typical first fall frost: around December 2. Plant cool-season crops after about February 9; wait until about April 13 for warm-season crops.
Cover calendars (fleece, cold frame, unheated greenhouse) live on each crop’s when-to-plant page.
Frost and suitability dates are typical figures from climate statistics. Microclimates vary; they are not a guarantee.
Frost dates calculated by Plan & Plant from Weather data by Open-Meteo.com (CC BY 4.0). Local frost pockets, valleys and coastal sites can differ by 1–3 weeks.
Earliest outdoor start: February 9
Suitable window: February 9 – May 31; September 14 – November 29
Cool-season crops prefer cooler weather.
Midsummer is often too hot, so suitable weeks split into more than one window.
Earliest outdoor start: April 13
Suitable window: April 13 – July 12; August 3 – November 1
Warm-season crops need mild or warm weather and cannot take frost.
Frost kills these crops, and cold snaps set them back.
Feb 9 – May 31; Sep 14 – Nov 29 (189 days)
Apr 13 – Jul 12; Aug 3 – Nov 1 (182 days)
Temperatures across the year for Charlotte, with cool- and warm-season weeks and frost dates.
Selected week · tap a week or use the arrows
Average 40 to 56 °F · Possible 26 to 73 °F
Cool season: tolerable
Warm season: too cold
A week is suitable for a crop type when its average low and high sit inside that type's range and its possible readings stay within the frost and heat limits (cool: 28 °F to 81 °F, warm: 32 °F to 90 °F); crossing a limit makes it tolerable, and for warm crops any chance of frost makes it too cold.
Based on average frost dates.
North Carolina, United States · 35.22709, -80.84313 · 2026
Weather for Charlotte is available; local planting calendars for these crops are not calculated yet.