Greenly

Kaliningrad: frost dates

Russia

In Kaliningrad the last spring frost usually comes around 27 April and the first autumn frost around 14 November, which leaves about 201 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 23 May.

Last spring frostaround 27 April
First autumn frostaround 14 November
Frost-free days201 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 to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Bell Pepper11 March24 May14 June
Chili Pepper12 March25 May15 June
Corn—19 Aprilsow 10 May
Cucumber12 April24 May14 June
Eggplant15 March24 May14 June
Green Beans13 March19 April10 May
Melon2 April24 May14 June
Peas—16 Marchsow 6 April
Physalis18 March2 May23 May
Pumpkin26 March2 May23 May
Sweet Corn—19 Aprilsow 10 May
Tomato6 March2 May23 May
Watermelon22 April24 May14 June
Zucchini31 March2 May23 May

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.

Planted in autumn

CropPlant around
Crocus15 October
Daffodil15 October
Garlic15 October
Hyacinth15 October
Lily15 October
Tulip15 October

A month before the first autumn frost, so the roots grow before winter.

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