Frost dates for 01832 — Haverhill, MA
How Haverhill compares
- In 8 years out of 10, the last spring frost in Haverhill falls between April 20 and May 14, a 24-day window. The first fall frost falls between October 1 and October 28.
- The median last frost is 4 days later than the Massachusetts median of Apr 27.
- Its 164-day growing season is longer than 38% of the 510 Massachusetts places with a regular frost season (state median 169 days).
- The last frost is typical for zone 6a, where the median is Apr 29.
- The weather station records an average of 143 nights a year at or below 32°F.
- Compared with Lawrence, MA, 9 km away, the last frost here is 18 days later than there and the growing season is 34 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 20 |
| 50% (median) | May 1 |
| 10% (safe for tender plants) | May 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 1 |
| 50% (median) | October 12 |
| 90% (late) | October 28 |
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 Haverhill, MA
Frost dates for 01832 — Haverhill, MA — last frost May 1, first frost Oct 12, zone 6a. whenisthelastfrost.com
When to plant vegetables in Haverhill, MA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 6 – Feb 20 | Apr 3 – Apr 17 | — | — |
| Peppers | Feb 20 – Mar 6 | May 15 – May 29 | — | — |
| Eggplant | Feb 20 – Mar 6 | May 15 – May 29 | — | — |
| Tomatoes | Mar 6 – Mar 20 | May 8 – May 22 | — | — |
| Lettuce | Mar 6 – Mar 20 | Apr 10 – Apr 24 | Apr 3 – May 8 | Aug 17 – Sep 14 |
| Kale | Mar 6 – Mar 20 | Apr 3 – Apr 17 | Apr 3 – Apr 17 | Aug 3 – Aug 24 |
| Broccoli | Mar 6 – Mar 20 | Apr 17 – May 1 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 6 – Mar 20 | Apr 10 – Apr 24 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 6 – Mar 20 | Apr 17 – May 1 | — | Jul 6 – Jul 27 |
| Okra | Mar 20 – Apr 3 | May 22 – Jun 5 | May 22 – Jun 5 | — |
| Basil | Mar 20 – Apr 3 | May 8 – May 22 | — | — |
| Peas | — | — | Mar 20 – Apr 10 | Jul 20 – Aug 10 |
| Spinach | — | — | Mar 20 – Apr 10 | Aug 17 – Sep 7 |
| Radishes | — | — | Mar 27 – May 8 | Aug 31 – Sep 21 |
| Cucumbers | Apr 3 – Apr 10 | May 15 – May 22 | May 8 – May 22 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 3 – Apr 10 | — | May 8 – May 22 | Aug 3 – Aug 17 |
| Winter Squash & Pumpkins | Apr 3 – Apr 10 | — | May 8 – May 22 | — |
| Melons & Watermelon | Apr 3 – Apr 10 | May 15 – May 29 | — | — |
| Carrots | — | — | Apr 10 – May 8 | Jul 20 – Aug 3 |
| Beets | — | — | Apr 10 – May 8 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 10 – May 1 | — |
| Swiss Chard | — | — | Apr 17 – May 15 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 17 – May 8 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 8 – May 29 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 8 – May 22 | — |
| Sweet Potatoes | — | May 15 – Jun 5 | — | — |
| Garlic | — | — | — | Sep 28 – Nov 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 Haverhill, MA weather station, 5 km away (elevation 20 ft (6 m)).
ZIP codes in Haverhill: 01830 01831 01832 01835
Frost dates near Haverhill
- Groveland May 3 · Oct 8
- Methuen Apr 13 · Oct 28
- West Boxford May 3 · Oct 8
- Lawrence Apr 13 · Oct 28
- Merrimac May 1 · Oct 12
- North Andover Apr 21 · Oct 21
- West Newbury May 3 · Oct 8
- Georgetown May 3 · Oct 8
Frequently asked questions
When is the last frost in Haverhill, MA?
The median last spring frost in Haverhill, MA is May 1. There is still about a 10% chance of frost after May 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Haverhill, MA?
The median first fall frost is October 12, with about a 10% chance of frost before October 1.
How long is the growing season in Haverhill, MA?
About 164 days between the median last spring frost and first fall frost.
What planting zone is Haverhill, MA?
Haverhill, MA is in USDA hardiness zone 6a.