Frost dates for 21871 — Westover, MD
Last spring frostMar 31median date
First fall frostNov 11median date
Growing season225 daysfrost-free
Hardiness zone7bZone 7b
How Westover compares
- In 8 years out of 10, the last spring frost in Westover falls between March 17 and April 13, a 27-day window. The first fall frost falls between October 31 and November 26.
- The median last frost is 5 days earlier than the Maryland median of Apr 5.
- Its 225-day growing season is longer than 82% of the 431 Maryland places with a regular frost season (state median 216 days).
- The last frost is 5 days earlier than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 69 nights a year at or below 32°F.
- Compared with Waldorf, MD, 117 km away, the last frost here is 17 days earlier than there and the growing season is 32 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 17 |
| 50% (median) | March 31 |
| 10% (safe for tender plants) | April 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 31 |
| 50% (median) | November 11 |
| 90% (late) | November 26 |
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 Westover, MD
Frost dates for 21871 — Westover, MD — last frost Mar 31, first frost Nov 11, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 6 to Jan 20Transplant outside: Mar 3 to Mar 17
Start indoors: Jan 20 to Feb 3Transplant outside: Apr 14 to Apr 28
Start indoors: Jan 20 to Feb 3Transplant outside: Apr 14 to Apr 28
Start indoors: Feb 3 to Feb 17Transplant outside: Apr 7 to Apr 21
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 10 to Mar 24Sow outdoors: Mar 3 to Apr 7Plant for fall: Sep 16 to Oct 14
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 3 to Mar 17Sow outdoors: Mar 3 to Mar 17Plant for fall: Sep 2 to Sep 23
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 17 to Mar 31Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 10 to Mar 24Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 17 to Mar 31Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 21 to May 5Sow outdoors: Apr 21 to May 5
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 7 to Apr 21
Sow outdoors: Feb 17 to Mar 10Plant for fall: Aug 19 to Sep 9
Sow outdoors: Feb 17 to Mar 10Plant for fall: Sep 16 to Oct 7
Sow outdoors: Feb 24 to Apr 7Plant for fall: Sep 30 to Oct 21
Start indoors: Mar 3 to Mar 10Transplant outside: Apr 14 to Apr 21Sow outdoors: Apr 7 to Apr 21Plant for fall: Aug 26 to Sep 9
Start indoors: Mar 3 to Mar 10Sow outdoors: Apr 7 to Apr 21Plant for fall: Sep 2 to Sep 16
Start indoors: Mar 3 to Mar 10Sow outdoors: Apr 7 to Apr 21
Start indoors: Mar 3 to Mar 10Transplant outside: Apr 14 to Apr 28
Sow outdoors: Mar 10 to Apr 7Plant for fall: Aug 19 to Sep 2
Sow outdoors: Mar 10 to Apr 7Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 10 to Mar 31
Sow outdoors: Mar 17 to Apr 14Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 17 to Apr 7Plant for fall: Sep 16 to Oct 7
Sow outdoors: Apr 7 to Apr 28Plant for fall: Aug 26 to Sep 9
Sow outdoors: Apr 7 to Apr 21
Transplant outside: Apr 14 to May 5
Plant for fall: Oct 28 to Dec 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Westover, MD
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 6 – Jan 20 | Mar 3 – Mar 17 | — | — |
| Peppers | Jan 20 – Feb 3 | Apr 14 – Apr 28 | — | — |
| Eggplant | Jan 20 – Feb 3 | Apr 14 – Apr 28 | — | — |
| Tomatoes | Feb 3 – Feb 17 | Apr 7 – Apr 21 | — | — |
| Lettuce | Feb 3 – Feb 17 | Mar 10 – Mar 24 | Mar 3 – Apr 7 | Sep 16 – Oct 14 |
| Kale | Feb 3 – Feb 17 | Mar 3 – Mar 17 | Mar 3 – Mar 17 | Sep 2 – Sep 23 |
| Broccoli | Feb 3 – Feb 17 | Mar 17 – Mar 31 | — | Aug 5 – Aug 26 |
| Cabbage | Feb 3 – Feb 17 | Mar 10 – Mar 24 | — | Aug 5 – Aug 26 |
| Cauliflower | Feb 3 – Feb 17 | Mar 17 – Mar 31 | — | Aug 5 – Aug 26 |
| Okra | Feb 17 – Mar 3 | Apr 21 – May 5 | Apr 21 – May 5 | — |
| Basil | Feb 17 – Mar 3 | Apr 7 – Apr 21 | — | — |
| Peas | — | — | Feb 17 – Mar 10 | Aug 19 – Sep 9 |
| Spinach | — | — | Feb 17 – Mar 10 | Sep 16 – Oct 7 |
| Radishes | — | — | Feb 24 – Apr 7 | Sep 30 – Oct 21 |
| Cucumbers | Mar 3 – Mar 10 | Apr 14 – Apr 21 | Apr 7 – Apr 21 | Aug 26 – Sep 9 |
| Zucchini & Summer Squash | Mar 3 – Mar 10 | — | Apr 7 – Apr 21 | Sep 2 – Sep 16 |
| Winter Squash & Pumpkins | Mar 3 – Mar 10 | — | Apr 7 – Apr 21 | — |
| Melons & Watermelon | Mar 3 – Mar 10 | Apr 14 – Apr 28 | — | — |
| Carrots | — | — | Mar 10 – Apr 7 | Aug 19 – Sep 2 |
| Beets | — | — | Mar 10 – Apr 7 | Sep 2 – Sep 16 |
| Potatoes | — | — | Mar 10 – Mar 31 | — |
| Swiss Chard | — | — | Mar 17 – Apr 14 | Sep 2 – Sep 16 |
| Cilantro | — | — | Mar 17 – Apr 7 | Sep 16 – Oct 7 |
| Green Beans | — | — | Apr 7 – Apr 28 | Aug 26 – Sep 9 |
| Sweet Corn | — | — | Apr 7 – Apr 21 | — |
| Sweet Potatoes | — | Apr 14 – May 5 | — | — |
| Garlic | — | — | — | Oct 28 – Dec 2 |
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 Wallops Island Flight Fac, VA weather station, 30 km away (elevation 39 ft (12 m)).
ZIP codes in Westover: 21871 21890
Frost dates near Westover
- Manokin Apr 3 · Nov 7
- Upper Fairmount Apr 3 · Nov 7
- Marion Station Mar 31 · Nov 11
- Rehobeth Mar 31 · Nov 11
- Princess Anne Apr 3 · Nov 7
- Crisfield Mar 31 · Nov 11
- Pocomoke City Mar 31 · Nov 11
- Deal Island Apr 8 · Nov 4
Frequently asked questions
When is the last frost in Westover, MD?
The median last spring frost in Westover, MD is March 31. There is still about a 10% chance of frost after April 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Westover, MD?
The median first fall frost is November 11, with about a 10% chance of frost before October 31.
How long is the growing season in Westover, MD?
About 225 days between the median last spring frost and first fall frost.
What planting zone is Westover, MD?
Westover, MD is in USDA hardiness zone 7b.