Harvey, AR frost dates
How Harvey compares
- In 8 years out of 10, the last spring frost in Harvey falls between March 17 and April 21, a 35-day window. The first fall frost falls between October 18 and November 17.
- The median last frost is 7 days later than the Arkansas median of Mar 28.
- Its 211-day growing season is longer than 22% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is 6 days later 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 72 nights a year at or below 32°F.
- Compared with Fort Smith, AR, 79 km away, the last frost here is 10 days later than there and the growing season is 15 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 17 |
| 50% (median) | April 4 |
| 10% (safe for tender plants) | April 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 18 |
| 50% (median) | November 1 |
| 90% (late) | November 17 |
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 Harvey, AR
Harvey, AR frost dates — last frost Apr 4, first frost Nov 1, zone 8a. whenisthelastfrost.com
When to plant vegetables in Harvey, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 10 – Jan 24 | Mar 7 – Mar 21 | — | — |
| Peppers | Jan 24 – Feb 7 | Apr 18 – May 2 | — | — |
| Eggplant | Jan 24 – Feb 7 | Apr 18 – May 2 | — | — |
| Tomatoes | Feb 7 – Feb 21 | Apr 11 – Apr 25 | — | — |
| Lettuce | Feb 7 – Feb 21 | Mar 14 – Mar 28 | Mar 7 – Apr 11 | Sep 6 – Oct 4 |
| Kale | Feb 7 – Feb 21 | Mar 7 – Mar 21 | Mar 7 – Mar 21 | Aug 23 – Sep 13 |
| Broccoli | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Jul 26 – Aug 16 |
| Cabbage | Feb 7 – Feb 21 | Mar 14 – Mar 28 | — | Jul 26 – Aug 16 |
| Cauliflower | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Jul 26 – Aug 16 |
| Okra | Feb 21 – Mar 7 | Apr 25 – May 9 | Apr 25 – May 9 | — |
| Basil | Feb 21 – Mar 7 | Apr 11 – Apr 25 | — | — |
| Peas | — | — | Feb 21 – Mar 14 | Aug 9 – Aug 30 |
| Spinach | — | — | Feb 21 – Mar 14 | Sep 6 – Sep 27 |
| Radishes | — | — | Feb 28 – Apr 11 | Sep 20 – Oct 11 |
| Cucumbers | Mar 7 – Mar 14 | Apr 18 – Apr 25 | Apr 11 – Apr 25 | Aug 16 – Aug 30 |
| Zucchini & Summer Squash | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | Aug 23 – Sep 6 |
| Winter Squash & Pumpkins | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | — |
| Melons & Watermelon | Mar 7 – Mar 14 | Apr 18 – May 2 | — | — |
| Carrots | — | — | Mar 14 – Apr 11 | Aug 9 – Aug 23 |
| Beets | — | — | Mar 14 – Apr 11 | Aug 23 – Sep 6 |
| Potatoes | — | — | Mar 14 – Apr 4 | — |
| Swiss Chard | — | — | Mar 21 – Apr 18 | Aug 23 – Sep 6 |
| Cilantro | — | — | Mar 21 – Apr 11 | Sep 6 – Sep 27 |
| Green Beans | — | — | Apr 11 – May 2 | Aug 16 – Aug 30 |
| Sweet Corn | — | — | Apr 11 – Apr 25 | — |
| Sweet Potatoes | — | Apr 18 – May 9 | — | — |
| Garlic | — | — | — | Oct 18 – Nov 22 |
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 Booneville 3 Sse, AR weather station, 28 km away (elevation 600 ft (183 m)).
Frost dates near Harvey
- Gravelly Mar 31 · Nov 1
- Bluffton Mar 31 · Nov 1
- Parks Apr 8 · Oct 28
- Briggsville Mar 31 · Nov 1
- Pencil Bluff Apr 8 · Oct 26
- Sims Apr 2 · Oct 31
- Havana Mar 31 · Nov 1
- Blue Mountain Mar 31 · Nov 1
- Waldron Apr 8 · Oct 28
- Oden Apr 8 · Oct 26
Frequently asked questions
When is the last frost in Harvey, AR?
The median last spring frost in Harvey, AR is April 4. There is still about a 10% chance of frost after April 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Harvey, AR?
The median first fall frost is November 1, with about a 10% chance of frost before October 18.
How long is the growing season in Harvey, AR?
About 211 days between the median last spring frost and first fall frost.
What planting zone is Harvey, AR?
Harvey, AR is in USDA hardiness zone 8a.