Lyon, MS frost dates
How Lyon compares
- In 8 years out of 10, the last spring frost in Lyon falls between February 26 and April 2, a 35-day window. The first fall frost falls between October 29 and December 1.
- The median last frost is 1 day earlier than the Mississippi median of Mar 17.
- Its 241-day growing season is longer than 53% of the 435 Mississippi places with a regular frost season (state median 239 days).
- The last frost is 13 days earlier than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 51 nights a year at or below 32°F.
- Compared with Southaven, MS, 93 km away, the last frost here is the same as there and the growing season is 4 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 26 |
| 50% (median) | March 16 |
| 10% (safe for tender plants) | April 2 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 29 |
| 50% (median) | November 12 |
| 90% (late) | December 1 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Lyon, MS
Lyon, MS frost dates — last frost Mar 16, first frost Nov 12, zone 8a. whenisthelastfrost.com
When to plant vegetables in Lyon, MS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 22 – Jan 5 | Feb 16 – Mar 2 | — | — |
| Peppers | Jan 5 – Jan 19 | Mar 30 – Apr 13 | — | — |
| Eggplant | Jan 5 – Jan 19 | Mar 30 – Apr 13 | — | — |
| Tomatoes | Jan 19 – Feb 2 | Mar 23 – Apr 6 | — | — |
| Lettuce | Jan 19 – Feb 2 | Feb 23 – Mar 9 | Feb 16 – Mar 23 | Sep 17 – Oct 15 |
| Kale | Jan 19 – Feb 2 | Feb 16 – Mar 2 | Feb 16 – Mar 2 | Sep 3 – Sep 24 |
| Broccoli | Jan 19 – Feb 2 | Mar 2 – Mar 16 | — | Aug 6 – Aug 27 |
| Cabbage | Jan 19 – Feb 2 | Feb 23 – Mar 9 | — | Aug 6 – Aug 27 |
| Cauliflower | Jan 19 – Feb 2 | Mar 2 – Mar 16 | — | Aug 6 – Aug 27 |
| Okra | Feb 2 – Feb 16 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | — |
| Basil | Feb 2 – Feb 16 | Mar 23 – Apr 6 | — | — |
| Peas | — | — | Feb 2 – Feb 23 | Aug 20 – Sep 10 |
| Spinach | — | — | Feb 2 – Feb 23 | Sep 17 – Oct 8 |
| Radishes | — | — | Feb 9 – Mar 23 | Oct 1 – Oct 22 |
| Cucumbers | Feb 16 – Feb 23 | Mar 30 – Apr 6 | Mar 23 – Apr 6 | Aug 27 – Sep 10 |
| Zucchini & Summer Squash | Feb 16 – Feb 23 | — | Mar 23 – Apr 6 | Sep 3 – Sep 17 |
| Winter Squash & Pumpkins | Feb 16 – Feb 23 | — | Mar 23 – Apr 6 | — |
| Melons & Watermelon | Feb 16 – Feb 23 | Mar 30 – Apr 13 | — | — |
| Carrots | — | — | Feb 23 – Mar 23 | Aug 20 – Sep 3 |
| Beets | — | — | Feb 23 – Mar 23 | Sep 3 – Sep 17 |
| Potatoes | — | — | Feb 23 – Mar 16 | — |
| Swiss Chard | — | — | Mar 2 – Mar 30 | Sep 3 – Sep 17 |
| Cilantro | — | — | Mar 2 – Mar 23 | Sep 17 – Oct 8 |
| Green Beans | — | — | Mar 23 – Apr 13 | Aug 27 – Sep 10 |
| Sweet Corn | — | — | Mar 23 – Apr 6 | — |
| Sweet Potatoes | — | Mar 30 – Apr 20 | — | — |
| Garlic | — | — | — | Oct 29 – Dec 3 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Clarksdale, MS weather station, 9 km away (elevation 174 ft (53 m)).
Frost dates near Lyon
- Jonestown Mar 17 · Nov 7
- Clarksdale Mar 16 · Nov 12
- Coahoma Mar 15 · Nov 16
- Farrell Mar 16 · Nov 12
- Friars Point Mar 15 · Nov 16
- Belen Mar 17 · Nov 7
- Marks Mar 17 · Nov 7
- Vance Mar 17 · Nov 7
- Dublin Mar 16 · Nov 12
- Sherard Mar 16 · Nov 12
Frequently asked questions
When is the last frost in Lyon, MS?
The median last spring frost in Lyon, MS is March 16. There is still about a 10% chance of frost after April 2, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lyon, MS?
The median first fall frost is November 12, with about a 10% chance of frost before October 29.
How long is the growing season in Lyon, MS?
About 241 days between the median last spring frost and first fall frost.
What planting zone is Lyon, MS?
Lyon, MS is in USDA hardiness zone 8a.