Ferrisburgh, VT frost dates
How Ferrisburgh compares
- In 8 years out of 10, the last spring frost in Ferrisburgh falls between April 20 and May 11, a 21-day window. The first fall frost falls between October 2 and November 1.
- The median last frost is 13 days earlier than the Vermont median of May 13.
- Its 170-day growing season is longer than 97% of the 286 Vermont places with a regular frost season (state median 143 days).
- The last frost is typical for zone 5a, where the median is May 3.
- The weather station records an average of 152 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 20 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 17 |
| 90% (late) | November 1 |
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 Ferrisburgh, VT
Ferrisburgh, VT frost dates — last frost Apr 30, first frost Oct 17, zone 5a. whenisthelastfrost.com
When to plant vegetables in Ferrisburgh, VT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 22 – Sep 19 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 8 – Aug 29 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 11 – Aug 1 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 11 – Aug 1 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 11 – Aug 1 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 25 – Aug 15 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 22 – Sep 12 |
| Radishes | — | — | Mar 26 – May 7 | Sep 5 – Sep 26 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Aug 1 – Aug 15 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 8 – Aug 22 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 25 – Aug 8 |
| Beets | — | — | Apr 9 – May 7 | Aug 8 – Aug 22 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 8 – Aug 22 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 22 – Sep 12 |
| Green Beans | — | — | May 7 – May 28 | Aug 1 – Aug 15 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 3 – Nov 7 |
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 Vergennes, VT weather station, 4 km away (elevation 197 ft (60 m)).
Frost dates near Ferrisburgh
- North Ferrisburgh Apr 30 · Oct 17
- Vergennes Apr 30 · Oct 17
- Monkton Apr 30 · Oct 17
- Charlotte May 2 · Oct 14
- New Haven Apr 30 · Oct 17
- Bristol May 21 · Sep 25
- Starksboro May 21 · Sep 25
- Hinesburg Apr 29 · Oct 15
- Shelburne Apr 29 · Oct 15
- Huntington Apr 29 · Oct 15
Frequently asked questions
When is the last frost in Ferrisburgh, VT?
The median last spring frost in Ferrisburgh, VT is April 30. There is still about a 10% chance of frost after May 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ferrisburgh, VT?
The median first fall frost is October 17, with about a 10% chance of frost before October 2.
How long is the growing season in Ferrisburgh, VT?
About 170 days between the median last spring frost and first fall frost.
What planting zone is Ferrisburgh, VT?
Ferrisburgh, VT is in USDA hardiness zone 5a.