Greenly Garden

Tbilisi: frost dates

Georgia

In Tbilisi the last spring frost usually comes around 2 April and the first autumn frost around 15 November, which leaves about 227 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 6 May.

Last spring frostaround 2 April
First autumn frostaround 15 November
Frost-free days227 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
Achocha7 February19 March9 April
Arugula—19 Februarysow 12 March
Basil26 March3 May24 May
Beet—19 Februarysow 12 March
Bell Pepper18 February3 May24 May
Black-eyed Susan6 February—9 April
Bok Choy12 February19 March9 April
Broad bean—19 Februarysow 12 March
Broccoli—19 Februarysow 12 March
Brussels Sprouts5 January19 February12 March
Cabbage—19 Februarysow 12 March
Calendula—19 Februarysow 12 March
Carrot——sow 12 March
Cauliflower8 January19 February12 March
Celeriac1 January19 March9 April
Celery1 January19 March9 April
Celosia12 March26 April17 May
Chamomile—19 Februarysow 12 March
Chayote1 January30 March20 April
Chickpea——sow 12 March
Chili Pepper28 February13 May3 June
China aster12 March3 May24 May
Chives——sow 12 March
Cilantro—19 Februarysow 12 March
Corn—30 Marchsow 20 April
Cosmos12 March26 April17 May
Cucumber22 March3 May24 May
Daikon—19 Februarysow 12 March
Delphinium12 January—12 March
Dill—19 Februarysow 12 March
Eggplant22 February3 May24 May
Florence fennel2 February19 March9 April
Garden sorrel—19 Februarysow 12 March
Green Beans21 February30 March20 April
Hyssop——sow 12 March
Kale—19 Februarysow 12 March
Kiwano14 March15 April6 May
Kohlrabi—19 Februarysow 12 March
Leek11 December19 February12 March
Lemon balm—19 Februarysow 12 March
Lettuce—19 Februarysow 12 March
Lisianthus24 November19 February12 March
Lovage——sow 12 March
Luffa22 March3 May24 May
Marigold5 February19 March9 April
Melon12 March3 May24 May
Microgreens—26 Aprilsow 17 May
Moringa19 March13 May3 June
Mustard greens—19 Februarysow 12 March
Napa cabbage14 February19 March9 April
Nasturtium9 February19 March9 April
Okra22 March3 May24 May
Oregano21 December19 February12 March
Pansy25 December19 February12 March
Parsley—19 Februarysow 12 March
Parsnip——sow 12 March
Peanut27 March3 May24 May
Peas—19 Februarysow 12 March
Petunia1 March3 May24 May
Physalis1 March15 April6 May
Pumpkin9 March15 April6 May
Purple coneflower9 January—12 March
Radish——sow 12 March
Sage1 January19 February12 March
Snapdragon16 December19 February12 March
Spinach—19 Februarysow 12 March
Stevia25 February15 April6 May
Stock—19 Februarysow 12 March
Sunflower—26 Aprilsow 17 May
Sweet Corn—30 Marchsow 20 April
Sweet pea8 January19 February12 March
Sweet William——sow 12 March
Swiss Chard—19 Februarysow 12 March
Thyme—19 Februarysow 12 March
Tomato17 February15 April6 May
Turnip—19 Februarysow 12 March
Watercress—19 Februarysow 12 March
Watermelon1 April3 May24 May
Zinnia8 April13 May3 June
Zucchini14 March15 April6 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.

Weather in Tbilisi by month

Average weather in Tbilisi over 2016–2025: the warmest month is August, the wettest May.

MonthDay, °CNight, °CRain, mmRainy days
January5.6-2.6226
February7-1.6226
March111.27112
April16.45.67811
May20.51011615
June26.2158510
July28.717.6588
August29.718.2296
September23.613.9629
October17.18529
November11.42.6446
December6.5-1347

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

CropPlant around
Bearded Iris16 October
Crocus16 October
Daffodil16 October
Garlic16 October
Hyacinth16 October
Lily16 October
Peony16 October
Saffron16 October
Tulip16 October
Wild garlic16 October

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