Greenly Garden

Last and first frost dates in Most

Czechia

In Most the last spring frost usually comes around 17 April and the first autumn frost around 10 November, which leaves about 207 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 16 May to 21 July.

Last spring frostaround 17 April
First autumn frostaround 10 November
Frost-free days207 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 Most?

The last frost in Most usually comes around 17 April: 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 27 March, while corn waits until 27 April. The first autumn frost follows around 10 November, about 207 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha22 February – 2 August3 April – 11 September24 April – 11 September
Ageratumfrom 28 February—from 16 May
Arugula——sow 27 March – 6 October
Basil6 April – 8 September14 May – 16 October4 June – 16 October
Beet——sow 27 March – 11 September
Bell Pepper15 March – 22 May14 May – 21 July4 June – 21 July
Black-eyed Susanfrom 31 January—from 24 April
Bok Choy27 February – 19 September3 April – 24 October24 April – 24 October
Borage——sow 24 April – 16 September
Broad bean——sow 27 March – 2 August
Broccoli——sow 27 March – 26 July
Brussels Sprouts20 January – 23 June6 March – 7 August27 March – 7 August
Busy Lizziefrom 30 January—from 24 April
Cabbage——sow 27 March – 3 July
Calendula——sow from 27 March
Carrot——sow 27 March – 18 August
Cauliflower23 January – 26 July6 March – 6 September27 March – 6 September
Celeriac16 January – 23 May3 April – 8 August24 April – 8 August
Celery16 January – 2 June3 April – 18 August24 April – 18 August
Celosiafrom 15 Marchfrom 29 Aprilfrom 20 May
Chamomile——sow 27 March – 6 September
Chayote8 January – 16 May6 April – 12 August27 April – 12 August
Chickpea——sow 27 March – 23 July
Chicory9 February – 17 August—27 March – 11 September
Chili Pepper15 March – 28 June14 May – 27 August4 June – 27 August
China asterfrom 23 Marchfrom 14 Mayfrom 4 June
Chives——sow 27 March – 28 August
Cilantro——sow 27 March – 7 September
Corn——sow 27 April – 23 July
Corn poppy——sow from 27 March
Cosmosfrom 15 Marchfrom 29 Aprilfrom 20 May
Cucumber16 April – 29 July14 May – 26 August4 June – 26 August
Daikon——sow 27 March – 4 September
Delphiniumfrom 6 January—from 27 March
Dill——sow 27 March – 17 September
Edging lobeliafrom 30 January—from 24 April
Eggplant15 March – 22 May14 May – 21 July4 June – 21 July
Florence fennel17 February – 2 August3 April – 16 September24 April – 16 September
Foxglovefrom 19 December—from 27 March
Garden sorrel——sow 27 March – 5 September
Green Beans——sow 20 May – 31 July
Hollyhock——sow from 27 March
Hyssop——sow 27 March – 29 July
Kale——sow 27 March – 30 August
Kiwano24 March – 5 August25 April – 6 September16 May – 6 September
Kohlrabi——sow 27 March – 9 September
Leek26 December – 14 May6 March – 23 July27 March – 23 July
Lemon balm——sow 27 March – 1 September
Lettuce——sow 27 March – 14 September
Lisianthusfrom 9 Decemberfrom 6 Marchfrom 27 March
Lovage——sow from 27 March
Luffa2 April – 30 May14 May – 11 July4 June – 11 July
Marigoldfrom 20 Februaryfrom 3 Aprilfrom 24 April
Marjoram15 March – 17 August—4 June – 16 October
Melon16 April – 16 July14 May – 13 August4 June – 13 August
Microgreens——sow 20 May – 27 October
Moringa22 March – 22 August16 May – 16 October6 June – 16 October
Moss rosefrom 6 February—from 24 April
Mustard greens——sow 27 March – 26 September
Napa cabbage1 March – 27 August3 April – 29 September24 April – 29 September
Nasturtiumfrom 24 Februaryfrom 3 Aprilfrom 24 April
Okra2 April – 10 August14 May – 21 September4 June – 21 September
Oregano5 January – 7 August6 March – 6 October27 March – 6 October
Pansyfrom 9 Januaryfrom 6 Marchfrom 27 March
Parsley——sow 27 March – 26 August
Parsnip——sow 27 March – 15 July
Peanut7 April – 6 July14 May – 12 August4 June – 12 August
Peas——sow 27 March – 28 August
Petuniafrom 12 Marchfrom 14 Mayfrom 4 June
Physalis11 March – 3 July25 April – 17 August16 May – 17 August
Pumpkin2 April – 4 June14 May – 16 July4 June – 16 July
Purple coneflowerfrom 3 January—from 27 March
Radish——sow 27 March – 11 October
Sage16 January – 3 August6 March – 21 September27 March – 21 September
Scarlet sagefrom 4 March—from 16 May
Snapdragonfrom 31 Decemberfrom 6 Marchfrom 27 March
Soybean——sow 4 June – 22 August
Spinach——sow 27 March – 16 September
Stevia7 March – 24 June25 April – 12 August16 May – 12 August
Stock——sow from 27 March
Sunflower——sow from 20 May
Sweet alyssum——sow from 27 March
Sweet Corn21 March – 17 August12 April – 8 September3 May – 8 September
Sweet peafrom 23 Januaryfrom 6 Marchfrom 27 March
Sweet William——sow from 27 March
Swiss Chard——sow 27 March – 11 September
Thyme——sow 27 March – 23 July
Tomato4 March – 30 May25 April – 21 July16 May – 21 July
Turnip——sow 27 March – 13 September
Watercress——sow 27 March – 24 September
Watermelon16 April – 4 July14 May – 1 August4 June – 1 August
Zinniafrom 11 Aprilfrom 16 Mayfrom 6 June
Zucchini23 April – 3 August14 May – 24 August4 June – 24 August

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 Most

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 3 days before the last spring frost and 15 °C 29 days after it.

SoilDateAgainst the last spring frost
5 °C12 March36 days earlier
10 °C14 April3 days earlier
15 °C16 May29 days later
18 °C4 June48 days later

Frost dates near Most

Of the nearest cities on our list, the last spring frost ends earliest in Dresden (16 April) and latest in Ústí nad Labem (27 April).

CityDistanceLast spring frostFirst autumn frost
Chomutov16 km20 April6 November
Ústí nad Labem33 km27 April12 November
Kladno51 km20 April7 November
Děčín51 km23 April6 November
Dresden62 km16 April18 November

What to grow at home in winter in Most

Frosts in Most usually come from about 10 November to about 17 April. 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 Most by month

Average weather in Most over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: June–September (20.8–25.6 °C). Nights average below 0 °C in January (-2.5 °C), February (-1.7 °C) and December (-0.8 °C). About 574 mm of rain falls in a year, on 121 days; June is the wettest month (63 mm) and March the driest (33 mm).

MonthDay, °CNight, °CRain, mmRainy days
January3.3-2.54511
February5.7-1.74110
March9.80.1339
April14.63.6348
May19.28.14911
June24.913.56311
July25.614.45811
August25.514.56211
September20.810.7619
October14.66.34610
November7.11.3379
December4.3-0.84511

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 11 October
Crocus11 October – end of December
Daffodil11 October – end of December
Garlic11 October – end of December
Grape hyacinthby 11 October
Helleboreby 11 October
Hyacinth11 October – end of December
Lilyby 11 October
Ornamental onionby 11 October
Peonyby 11 October
Saffronby 11 October
Snowdropby 11 October
Tulip11 October – end of December
Wild garlicby 11 October

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).