Frost dates for 20168 — Haymarket, VA
How Haymarket compares
- In 8 years out of 10, the last spring frost in Haymarket falls between March 30 and April 24, a 25-day window. The first fall frost falls between October 13 and November 7.
- The median last frost is 1 day earlier than the Virginia median of Apr 13.
- Its 198-day growing season is longer than 47% of the 837 Virginia places with a regular frost season (state median 198 days).
- The last frost is 4 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 94 nights a year at or below 32°F.
- Compared with Centreville, VA, 20 km away, the last frost here is 2 days earlier than there and the growing season is the same length.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 30 |
| 50% (median) | April 12 |
| 10% (safe for tender plants) | April 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 13 |
| 50% (median) | October 27 |
| 90% (late) | November 7 |
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 Haymarket, VA
Frost dates for 20168 — Haymarket, VA — last frost Apr 12, first frost Oct 27, zone 7a. whenisthelastfrost.com
When to plant vegetables in Haymarket, VA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 18 – Feb 1 | Mar 15 – Mar 29 | — | — |
| Peppers | Feb 1 – Feb 15 | Apr 26 – May 10 | — | — |
| Eggplant | Feb 1 – Feb 15 | Apr 26 – May 10 | — | — |
| Tomatoes | Feb 15 – Mar 1 | Apr 19 – May 3 | — | — |
| Lettuce | Feb 15 – Mar 1 | Mar 22 – Apr 5 | Mar 15 – Apr 19 | Sep 1 – Sep 29 |
| Kale | Feb 15 – Mar 1 | Mar 15 – Mar 29 | Mar 15 – Mar 29 | Aug 18 – Sep 8 |
| Broccoli | Feb 15 – Mar 1 | Mar 29 – Apr 12 | — | Jul 21 – Aug 11 |
| Cabbage | Feb 15 – Mar 1 | Mar 22 – Apr 5 | — | Jul 21 – Aug 11 |
| Cauliflower | Feb 15 – Mar 1 | Mar 29 – Apr 12 | — | Jul 21 – Aug 11 |
| Okra | Mar 1 – Mar 15 | May 3 – May 17 | May 3 – May 17 | — |
| Basil | Mar 1 – Mar 15 | Apr 19 – May 3 | — | — |
| Peas | — | — | Mar 1 – Mar 22 | Aug 4 – Aug 25 |
| Spinach | — | — | Mar 1 – Mar 22 | Sep 1 – Sep 22 |
| Radishes | — | — | Mar 8 – Apr 19 | Sep 15 – Oct 6 |
| Cucumbers | Mar 15 – Mar 22 | Apr 26 – May 3 | Apr 19 – May 3 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 15 – Mar 22 | — | Apr 19 – May 3 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 15 – Mar 22 | — | Apr 19 – May 3 | — |
| Melons & Watermelon | Mar 15 – Mar 22 | Apr 26 – May 10 | — | — |
| Carrots | — | — | Mar 22 – Apr 19 | Aug 4 – Aug 18 |
| Beets | — | — | Mar 22 – Apr 19 | Aug 18 – Sep 1 |
| Potatoes | — | — | Mar 22 – Apr 12 | — |
| Swiss Chard | — | — | Mar 29 – Apr 26 | Aug 18 – Sep 1 |
| Cilantro | — | — | Mar 29 – Apr 19 | Sep 1 – Sep 22 |
| Green Beans | — | — | Apr 19 – May 10 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | Apr 19 – May 3 | — |
| Sweet Potatoes | — | Apr 26 – May 17 | — | — |
| Garlic | — | — | — | Oct 13 – Nov 17 |
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 Manassas, VA weather station, 15 km away (elevation 246 ft (75 m)).
ZIP codes in Haymarket: 20168 20169
Frost dates near Haymarket
- Broad Run Apr 9 · Nov 1
- Catharpin Apr 15 · Oct 24
- Gainesville Apr 12 · Oct 27
- Bristow Apr 12 · Oct 27
- The Plains Apr 9 · Nov 1
- Nokesville Apr 12 · Oct 27
- Manassas Apr 12 · Oct 27
- Aldie Apr 13 · Oct 26
Frequently asked questions
When is the last frost in Haymarket, VA?
The median last spring frost in Haymarket, VA is April 12. There is still about a 10% chance of frost after April 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Haymarket, VA?
The median first fall frost is October 27, with about a 10% chance of frost before October 13.
How long is the growing season in Haymarket, VA?
About 198 days between the median last spring frost and first fall frost.
What planting zone is Haymarket, VA?
Haymarket, VA is in USDA hardiness zone 7a.