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When to plant in Burlington, VT

USDA Zone 5b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Burlington, Vermont — all computed from Burlington's nearest NOAA weather station.

In zone 5b, Burlington gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.

Station · BURLINGTON INTL AP · 7.5 km
Last spring frost
April 29
50% chance · 32°F
First fall frost
October 15
50% chance · 32°F
Growing season
169 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for BurlingtonA year-band showing 32°F frost risk from January to December for Burlington: last spring frost around April 29, first fall frost around October 15, about 169 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average first fall frost in Burlington is now 7 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

BURLINGTON INTL AP · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Burlington’s own odds, recorded at BURLINGTON INTL AP.

Frost-probability curves for BurlingtonProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 29 and the first fall frost around October 15, giving about 169 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 23May 8Apr 27Sep 23Oct 4Oct 19
32°FMay 11Apr 29Apr 17Oct 2Oct 15Nov 1
28°FApr 30Apr 18Apr 5Oct 12Oct 28Nov 12

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Rutabaga
July 9July 23
Fall sowin 4 days
Broccoli
July 23August 6
Fall sowin 4 days
Cabbage
July 23August 6
Fall sowin 4 days
Carrot
July 23August 6
Fall sowin 4 days
Cauliflower
July 23August 6
Fall sowin 4 days
Napa Cabbage
July 23August 20
Fall sowin 18 days
Beet
August 6August 20
Fall sowin 18 days
Collards
August 6September 3
Fall sowin 18 days
Endive
August 6August 20
Fall sowin 18 days
Escarole
August 6August 20
Fall sowin 18 days
Fennel (Bulb)
August 6August 20
Fall sowin 18 days
Kale
August 6September 3
Fall sowin 18 days
Kohlrabi
August 6September 3
Fall sowin 18 days
Peas
August 6August 20
Fall sowin 18 days
Radicchio
August 6August 20
Fall sowin 18 days
Swiss Chard
August 6August 20
Fall sowin 18 days
Turnip
August 6September 3

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Burlington, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 16 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

BURLINGTON INTL AP
Primary
8 km · 101 m elevation
SPRING
Apr 29
FALL
Oct 15
ESSEX JUNCTION 1 N
10 km · 104 m elevation
SPRING
May 2
FALL
Oct 11
S HERO
16 km · 34 m elevation
SPRING
Apr 28
FALL
Oct 20

Burlington planting FAQ

When is the last spring frost in Burlington, VT?

Plan for the last spring frost in Burlington around April 29 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.

When is the first fall frost in Burlington, VT?

In Burlington, the first 32°F freeze of fall lands around October 15 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Burlington in?

Burlington is in USDA hardiness zone 5b. In zone 5b, winters are cold — pick cold-hardy varieties and protect tender crops.

How long is the growing season in Burlington?

Burlington has about 169 frost-free days — a moderate growing season — between the average last spring frost (April 29) and first fall frost (October 15).

When should I plant tomatoes in Burlington?

For Burlington, sow tomatoes indoors about March 4–March 18 and move the seedlings out around May 6, after the last spring frost.

Planting reminders

Never miss a window in Burlington

An email when it’s time to start seeds, transplant, and sow — timed to Burlington’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at BURLINGTON INTL AP, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Burlington, VT — Frost Dates & Zone 5b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014742. Retrieved from https://blissgarden.com/vermont/burlington.
When to Plant in Burlington, VT — Frost Dates & Zone 5b — BlissGarden