Ridgely, MD frost dates
How Ridgely compares
- In 8 years out of 10, the last spring frost in Ridgely falls between March 29 and April 28, a 30-day window. The first fall frost falls between October 14 and November 13.
- The median last frost is 6 days later than the Maryland median of Apr 5.
- Its 202-day growing season is longer than 27% of the 431 Maryland places with a regular frost season (state median 216 days).
- The last frost is 6 days later 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 96 nights a year at or below 32°F.
- Compared with Dundalk, MD, 63 km away, the last frost here is 18 days later than there and the growing season is 40 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 29 |
| 50% (median) | April 11 |
| 10% (safe for tender plants) | April 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 14 |
| 50% (median) | October 30 |
| 90% (late) | November 13 |
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 Ridgely, MD
Ridgely, MD frost dates — last frost Apr 11, first frost Oct 30, zone 7b. whenisthelastfrost.com
When to plant vegetables in Ridgely, MD
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 17 – Jan 31 | Mar 14 – Mar 28 | — | — |
| Peppers | Jan 31 – Feb 14 | Apr 25 – May 9 | — | — |
| Eggplant | Jan 31 – Feb 14 | Apr 25 – May 9 | — | — |
| Tomatoes | Feb 14 – Feb 28 | Apr 18 – May 2 | — | — |
| Lettuce | Feb 14 – Feb 28 | Mar 21 – Apr 4 | Mar 14 – Apr 18 | Sep 4 – Oct 2 |
| Kale | Feb 14 – Feb 28 | Mar 14 – Mar 28 | Mar 14 – Mar 28 | Aug 21 – Sep 11 |
| Broccoli | Feb 14 – Feb 28 | Mar 28 – Apr 11 | — | Jul 24 – Aug 14 |
| Cabbage | Feb 14 – Feb 28 | Mar 21 – Apr 4 | — | Jul 24 – Aug 14 |
| Cauliflower | Feb 14 – Feb 28 | Mar 28 – Apr 11 | — | Jul 24 – Aug 14 |
| Okra | Feb 28 – Mar 14 | May 2 – May 16 | May 2 – May 16 | — |
| Basil | Feb 28 – Mar 14 | Apr 18 – May 2 | — | — |
| Peas | — | — | Feb 28 – Mar 21 | Aug 7 – Aug 28 |
| Spinach | — | — | Feb 28 – Mar 21 | Sep 4 – Sep 25 |
| Radishes | — | — | Mar 7 – Apr 18 | Sep 18 – Oct 9 |
| Cucumbers | Mar 14 – Mar 21 | Apr 25 – May 2 | Apr 18 – May 2 | Aug 14 – Aug 28 |
| Zucchini & Summer Squash | Mar 14 – Mar 21 | — | Apr 18 – May 2 | Aug 21 – Sep 4 |
| Winter Squash & Pumpkins | Mar 14 – Mar 21 | — | Apr 18 – May 2 | — |
| Melons & Watermelon | Mar 14 – Mar 21 | Apr 25 – May 9 | — | — |
| Carrots | — | — | Mar 21 – Apr 18 | Aug 7 – Aug 21 |
| Beets | — | — | Mar 21 – Apr 18 | Aug 21 – Sep 4 |
| Potatoes | — | — | Mar 21 – Apr 11 | — |
| Swiss Chard | — | — | Mar 28 – Apr 25 | Aug 21 – Sep 4 |
| Cilantro | — | — | Mar 28 – Apr 18 | Sep 4 – Sep 25 |
| Green Beans | — | — | Apr 18 – May 9 | Aug 14 – Aug 28 |
| Sweet Corn | — | — | Apr 18 – May 2 | — |
| Sweet Potatoes | — | Apr 25 – May 16 | — | — |
| Garlic | — | — | — | Oct 16 – Nov 20 |
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 Greenwood 2ne, DE weather station, 31 km away (elevation 46 ft (14 m)).
Frost dates near Ridgely
- Hillsboro Apr 1 · Nov 7
- Greensboro Apr 11 · Oct 30
- Queen Anne Apr 3 · Nov 5
- Goldsboro Apr 4 · Nov 4
- Denton Apr 11 · Oct 30
- Cordova Apr 1 · Nov 7
- Henderson Apr 4 · Nov 4
- Wye Mills Mar 29 · Nov 12
- Centreville Apr 3 · Nov 5
- Ingleside Apr 3 · Nov 5
Frequently asked questions
When is the last frost in Ridgely, MD?
The median last spring frost in Ridgely, MD is April 11. There is still about a 10% chance of frost after April 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ridgely, MD?
The median first fall frost is October 30, with about a 10% chance of frost before October 14.
How long is the growing season in Ridgely, MD?
About 202 days between the median last spring frost and first fall frost.
What planting zone is Ridgely, MD?
Ridgely, MD is in USDA hardiness zone 7b.