Greenly Garden

Last and first frost dates in Montpelier

United States

In Montpelier the last spring frost usually comes around 8 May and the first autumn frost around 17 October, which leaves about 162 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 29 May to 27 June.

Last spring frostaround 8 May
First autumn frostaround 17 October
Frost-free days162 days

Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.

When is the last frost in Montpelier?

The last frost in Montpelier usually comes around 8 May: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 17 April, while corn waits until 20 May. The first autumn frost follows around 17 October, about 162 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha15 March – 9 July24 April – 18 August15 May – 18 August
Ageratumfrom 13 March—from 29 May
Arugula——sow 17 April – 12 September
Basil22 April – 15 August30 May – 22 September20 June – 22 September
Beet——sow 17 April – 18 August
Bell Pepper31 March – 28 April30 May – 27 June20 June – 27 June
Black-eyed Susanfrom 21 February—from 15 May
Bok Choy20 March – 26 August24 April – 30 September15 May – 30 September
Borage——sow 15 May – 23 August
Broad bean——sow 17 April – 9 July
Broccoli——sow 17 April – 2 July
Brussels Sprouts10 February – 30 May27 March – 14 July17 April – 14 July
Busy Lizziefrom 20 February—from 15 May
Cabbage——sow 17 April – 9 June
Calendula——sow from 17 April
Carrot——sow 17 April – 25 July
Cauliflower13 February – 2 July27 March – 13 August17 April – 13 August
Celeriac6 February – 29 April24 April – 15 July15 May – 15 July
Celery6 February – 9 May24 April – 25 July15 May – 25 July
Celosiafrom 25 Marchfrom 9 Mayfrom 30 May
Chamomile——sow 17 April – 13 August
Chayote31 January – 22 April29 April – 19 July20 May – 19 July
Chickpea——sow 17 April – 29 June
Chicory2 March – 24 July—17 April – 18 August
Chili Pepper31 March – 4 June30 May – 3 August20 June – 3 August
China asterfrom 8 Aprilfrom 30 Mayfrom 20 June
Chives——sow 17 April – 4 August
Cilantro——sow 17 April – 14 August
Corn——sow 20 May – 29 June
Corn poppy——sow from 17 April
Cosmosfrom 25 Marchfrom 9 Mayfrom 30 May
Cucumber2 May – 5 July30 May – 2 August20 June – 2 August
Daikon——sow 17 April – 11 August
Delphiniumfrom 27 January—from 17 April
Dill——sow 17 April – 24 August
Edging lobeliafrom 20 February—from 15 May
Eggplant31 March – 28 April30 May – 27 June20 June – 27 June
Florence fennel10 March – 9 July24 April – 23 August15 May – 23 August
Foxglovefrom 9 January—from 17 April
Garden sorrel——sow 17 April – 12 August
Green Beans——sow 30 May – 7 July
Hollyhock——sow from 17 April
Hyssop——sow 17 April – 5 July
Kale——sow 17 April – 6 August
Kiwano6 April – 12 July8 May – 13 August29 May – 13 August
Kohlrabi——sow 17 April – 16 August
Leek16 January – 20 April27 March – 29 June17 April – 29 June
Lemon balm——sow 17 April – 8 August
Lettuce——sow 17 April – 21 August
Lisianthusfrom 30 Decemberfrom 27 Marchfrom 17 April
Lovage——sow from 17 April
Luffafrom 18 Aprilfrom 30 Mayfrom 20 June
Marigoldfrom 13 Marchfrom 24 Aprilfrom 15 May
Marjoram31 March – 24 July—20 June – 22 September
Melon2 May – 22 June30 May – 20 July20 June – 20 July
Microgreens——sow 30 May – 3 October
Moringa9 April – 29 July3 June – 22 September24 June – 22 September
Moss rosefrom 27 February—from 15 May
Mustard greens——sow 17 April – 2 September
Napa cabbage22 March – 3 August24 April – 5 September15 May – 5 September
Nasturtiumfrom 17 Marchfrom 24 Aprilfrom 15 May
Okra18 April – 17 July30 May – 28 August20 June – 28 August
Oregano26 January – 14 July27 March – 12 September17 April – 12 September
Pansyfrom 30 Januaryfrom 27 Marchfrom 17 April
Parsley——sow 17 April – 2 August
Parsnip——sow 17 April – 21 June
Peanut23 April – 12 June30 May – 19 July20 June – 19 July
Peas——sow 17 April – 4 August
Petuniafrom 28 Marchfrom 30 Mayfrom 20 June
Physalis24 March – 9 June8 May – 24 July29 May – 24 July
Pumpkin18 April – 11 May30 May – 22 June20 June – 22 June
Purple coneflowerfrom 24 January—from 17 April
Radish——sow 17 April – 17 September
Sage6 February – 10 July27 March – 28 August17 April – 28 August
Scarlet sagefrom 17 March—from 29 May
Snapdragonfrom 21 Januaryfrom 27 Marchfrom 17 April
Soybean——sow 20 June – 29 July
Spinach——sow 17 April – 23 August
Stevia20 March – 31 May8 May – 19 July29 May – 19 July
Stock——sow from 17 April
Sunflower——sow from 30 May
Sweet alyssum——sow from 17 April
Sweet Corn13 April – 24 July5 May – 15 August26 May – 15 August
Sweet peafrom 13 Februaryfrom 27 Marchfrom 17 April
Sweet William——sow from 17 April
Swiss Chard——sow 17 April – 18 August
Thyme——sow 17 April – 29 June
Tomato17 March – 6 May8 May – 27 June29 May – 27 June
Turnip——sow 17 April – 20 August
Watercress——sow 17 April – 31 August
Watermelon2 May – 10 June30 May – 8 July20 June – 8 July
Zinniafrom 29 Aprilfrom 3 Junefrom 24 June
Zucchini9 May – 10 July30 May – 31 July20 June – 31 July

Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day. Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

When the soil warms up in Montpelier

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 2 days before the last spring frost and 15 °C 21 days after it.

SoilDateAgainst the last spring frost
5 °C18 April20 days earlier
10 °C6 May2 days earlier
15 °C29 May21 days later
18 °C20 June43 days later

Frost dates near Montpelier

Of the nearest cities on our list, the last spring frost ends earliest in Burlington (22 April) and latest in Sherbrooke (8 May).

CityDistanceLast spring frostFirst autumn frost
Burlington57 km22 April3 November
Sherbrooke137 km8 May27 October
Concord143 km22 April31 October
Montreal159 km27 April1 November
Manchester (United States)167 km22 April2 November

Seeds, seedlings and markets in Montpelier

Within 15 km of Montpelier OpenStreetMap lists 4 garden centres and 1 farm-supply shop (collected 28 October 2026). The nearest garden centre to the city centre is Guy's Farm & Yard, 1 km away.

  • Guy's Farm & Yard — garden centre
    Barre Street 19, 05602 Montpelier · 1 km
  • Tucker Machine Company Inc — farm supply
    South Main Street 267, 05641 Barre · Tue–Fri 08:00–17:00, Sat 09:00–14:00 · 10 km
  • Agway — garden centre
    East Montpelier Road 190, 05602 Montpelier · 2 km
  • T. E. Pembroke Landscaping — garden centre
    Terrace Street 1492, 05602 Montpelier · 4 km
  • Thomas Farm & Garden — garden centre
    U.S. Route 302 535, 05641 Barre · Mon–Sat 08:00–18:00; Sun 09:00–17:00 · 5 km

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Montpelier

Frosts in Montpelier usually come from about 17 October to about 8 May. These plants have indoor care in their Greenly cards and are harvested quickly, so they can be sown on a windowsill in winter.

Weather in Montpelier by month

Average weather in Montpelier over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: June–September (21.5–26.3 °C). Nights average below 0 °C in November–March (-12–-2.2 °C). About 1053 mm of rain falls in a year, on 148 days; October is the wettest month (109 mm) and February the driest (68 mm).

MonthDay, °CNight, °CRain, mmRainy days
January-1.8-127411
February0.7-10.86812
March4.8-6.38013
April11.30.210414
May18.66.88813
June23.512.19013
July26.315.610813
August25.214.48613
September21.510.7698
October14.65.110912
November6.1-2.28712
December0.7-8.59014

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).

Planted in autumn

CropWhen to plant
Bearded Irisby 17 September
Crocus17 September – 11 November
Daffodil17 September – 11 November
Garlic17 September – 11 November
Grape hyacinthby 17 September
Helleboreby 17 September
Hyacinth17 September – 11 November
Lilyby 17 September
Ornamental onionby 17 September
Peonyby 17 September
Saffronby 17 September
Snowdropby 17 September
Tulip17 September – 11 November
Wild garlicby 17 September

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).