Montevallo, AL frost dates
Last spring frostMar 12median date
First fall frostNov 16median date
Growing season249 daysfrost-free
Hardiness zone8bZone 8b
How Montevallo compares
- In 8 years out of 10, the last spring frost in Montevallo falls between February 20 and March 31, a 39-day window. The first fall frost falls between November 1 and December 4.
- The median last frost is 11 days earlier than the Alabama median of Mar 23.
- Its 249-day growing season is longer than 77% of the 574 Alabama places with a regular frost season (state median 231 days).
- The last frost is 4 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 43 nights a year at or below 32°F.
- Compared with Birmingham, AL, 44 km away, the last frost here is 9 days earlier than there and the growing season is 14 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 20 |
| 50% (median) | March 12 |
| 10% (safe for tender plants) | March 31 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 1 |
| 50% (median) | November 16 |
| 90% (late) | December 4 |
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 Montevallo, AL
Montevallo, AL frost dates — last frost Mar 12, first frost Nov 16, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 18 to Jan 1Start indoors: Dec 18 to Jan 1Transplant outside: Feb 12 to Feb 26
Start indoors: Jan 1 to Jan 15Transplant outside: Mar 26 to Apr 9
Start indoors: Jan 1 to Jan 15Transplant outside: Mar 26 to Apr 9
Start indoors: Jan 15 to Jan 29Transplant outside: Mar 19 to Apr 2
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 19 to Mar 5Sow outdoors: Feb 12 to Mar 19Plant for fall: Sep 21 to Oct 19
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 12 to Feb 26Sow outdoors: Feb 12 to Feb 26Plant for fall: Sep 7 to Sep 28
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 26 to Mar 12Plant for fall: Aug 10 to Aug 31
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 19 to Mar 5Plant for fall: Aug 10 to Aug 31
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 26 to Mar 12Plant for fall: Aug 10 to Aug 31
Start indoors: Jan 29 to Feb 12Transplant outside: Apr 2 to Apr 16Sow outdoors: Apr 2 to Apr 16
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 19 to Apr 2
Sow outdoors: Jan 29 to Feb 19Plant for fall: Aug 24 to Sep 14
Sow outdoors: Jan 29 to Feb 19Plant for fall: Sep 21 to Oct 12
Sow outdoors: Feb 5 to Mar 19Plant for fall: Oct 5 to Oct 26
Start indoors: Feb 12 to Feb 19Transplant outside: Mar 26 to Apr 2Sow outdoors: Mar 19 to Apr 2Plant for fall: Aug 31 to Sep 14
Start indoors: Feb 12 to Feb 19Sow outdoors: Mar 19 to Apr 2Plant for fall: Sep 7 to Sep 21
Start indoors: Feb 12 to Feb 19Sow outdoors: Mar 19 to Apr 2
Start indoors: Feb 12 to Feb 19Transplant outside: Mar 26 to Apr 9
Sow outdoors: Feb 19 to Mar 19Plant for fall: Aug 24 to Sep 7
Sow outdoors: Feb 19 to Mar 19Plant for fall: Sep 7 to Sep 21
Sow outdoors: Feb 19 to Mar 12
Sow outdoors: Feb 26 to Mar 26Plant for fall: Sep 7 to Sep 21
Sow outdoors: Feb 26 to Mar 19Plant for fall: Sep 21 to Oct 12
Sow outdoors: Mar 19 to Apr 9Plant for fall: Aug 31 to Sep 14
Sow outdoors: Mar 19 to Apr 2
Transplant outside: Mar 26 to Apr 16
Plant for fall: Nov 2 to Dec 7
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Montevallo, AL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 18 – Jan 1 | Feb 12 – Feb 26 | — | — |
| Peppers | Jan 1 – Jan 15 | Mar 26 – Apr 9 | — | — |
| Eggplant | Jan 1 – Jan 15 | Mar 26 – Apr 9 | — | — |
| Tomatoes | Jan 15 – Jan 29 | Mar 19 – Apr 2 | — | — |
| Lettuce | Jan 15 – Jan 29 | Feb 19 – Mar 5 | Feb 12 – Mar 19 | Sep 21 – Oct 19 |
| Kale | Jan 15 – Jan 29 | Feb 12 – Feb 26 | Feb 12 – Feb 26 | Sep 7 – Sep 28 |
| Broccoli | Jan 15 – Jan 29 | Feb 26 – Mar 12 | — | Aug 10 – Aug 31 |
| Cabbage | Jan 15 – Jan 29 | Feb 19 – Mar 5 | — | Aug 10 – Aug 31 |
| Cauliflower | Jan 15 – Jan 29 | Feb 26 – Mar 12 | — | Aug 10 – Aug 31 |
| Okra | Jan 29 – Feb 12 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | — |
| Basil | Jan 29 – Feb 12 | Mar 19 – Apr 2 | — | — |
| Peas | — | — | Jan 29 – Feb 19 | Aug 24 – Sep 14 |
| Spinach | — | — | Jan 29 – Feb 19 | Sep 21 – Oct 12 |
| Radishes | — | — | Feb 5 – Mar 19 | Oct 5 – Oct 26 |
| Cucumbers | Feb 12 – Feb 19 | Mar 26 – Apr 2 | Mar 19 – Apr 2 | Aug 31 – Sep 14 |
| Zucchini & Summer Squash | Feb 12 – Feb 19 | — | Mar 19 – Apr 2 | Sep 7 – Sep 21 |
| Winter Squash & Pumpkins | Feb 12 – Feb 19 | — | Mar 19 – Apr 2 | — |
| Melons & Watermelon | Feb 12 – Feb 19 | Mar 26 – Apr 9 | — | — |
| Carrots | — | — | Feb 19 – Mar 19 | Aug 24 – Sep 7 |
| Beets | — | — | Feb 19 – Mar 19 | Sep 7 – Sep 21 |
| Potatoes | — | — | Feb 19 – Mar 12 | — |
| Swiss Chard | — | — | Feb 26 – Mar 26 | Sep 7 – Sep 21 |
| Cilantro | — | — | Feb 26 – Mar 19 | Sep 21 – Oct 12 |
| Green Beans | — | — | Mar 19 – Apr 9 | Aug 31 – Sep 14 |
| Sweet Corn | — | — | Mar 19 – Apr 2 | — |
| Sweet Potatoes | — | Mar 26 – Apr 16 | — | — |
| Garlic | — | — | — | Nov 2 – Dec 7 |
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 Alabaster Shelby Co Ap, AL weather station, 10 km away (elevation 564 ft (172 m)).
Frost dates near Montevallo
- Wilton Mar 12 · Nov 16
- Alabaster Mar 12 · Nov 16
- Calera Mar 12 · Nov 16
- Saginaw Mar 12 · Nov 16
- Maylene Mar 19 · Nov 8
- Siluria Mar 19 · Nov 8
- Brierfield Mar 12 · Nov 16
- Helena Mar 19 · Nov 8
- Pelham Mar 19 · Nov 8
- Jemison Mar 21 · Nov 11
Frequently asked questions
When is the last frost in Montevallo, AL?
The median last spring frost in Montevallo, AL is March 12. There is still about a 10% chance of frost after March 31, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Montevallo, AL?
The median first fall frost is November 16, with about a 10% chance of frost before November 1.
How long is the growing season in Montevallo, AL?
About 249 days between the median last spring frost and first fall frost.
What planting zone is Montevallo, AL?
Montevallo, AL is in USDA hardiness zone 8b.