When to plant tomatoes in Cheboksary: 27 May – 27 June

In Cheboksary, tomato: sow for seedlings from 15 March to 6 May; plant into a greenhouse from 6 May to 27 June; plant out into open ground from 27 May to 27 June. For plants and seeds, the places nearby include ЦветНик (garden centre, 2 km) and Фиалка (garden centre, 5 km); addresses and opening hours are below.

Tomato in Cheboksary: soil, season and weather

In Cheboksary the soil, not frost, sets the date: the last frost is over around 1 May, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 27 May, 26 days later.

Last spring frost	1 May
Top 7 cm of soil at 15 °C	27 May, 26 days after the last frost
Into an unheated greenhouse	6 May – 27 June; May outside: 7 °C at night, 17.7 °C by day; card 16–27 °C
First autumn frost	17 October, 143 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	5 August – 5 September
Days left for picking	73
Daylight	13:24 on 5 April, 16:59 on 27 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, September, has 11 rainy days

Tomato in Cheboksary: care after planting

Planted on 27 May: in the first weeks water every 4 days.

Feeding, by the card’s schedule from that day:

27 May — feed: balanced (NPK)
24 June — feed: nitrogen

Pests and diseases of tomato to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Weather in Cheboksary during the tomato season

No month of the season averages above the tomato card's 16–27 °C by day; the warmest, July, averages 24.7 °C. Months that stay below 16 °C even by day on average: October (8.8 °C). Nights average below 16 °C in every month of the season, from 2.7 °C to 14.9 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	17.7	7	48	10	16:19
June	22.1	11.8	51	10	17:37
July	24.7	14.9	81	12	17:05
August	23.5	13.7	61	9	15:10
September	16.4	8	47	11	12:50
October	8.8	2.7	57	12	10:31

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Cheboksary, Ulyanovsk is 12 days earlier and Kirov 5 days later.

City	Distance	Date	Difference
Yoshkar-Ola	69 km	28 May – 22 June	1 day later
Kazan	122 km	22 May – 23 June	5 days earlier
Nizhny Novgorod	202 km	27 May – 28 June	same day
Ulyanovsk	213 km	15 May – 3 July	12 days earlier
Saransk	254 km	23 May – 24 June	4 days earlier
Kirov	310 km	1 June – 12 June	5 days later

Where to buy tomato plants and seeds near Cheboksary

Buy plants ready to set out from 27 May to 27 June (from 6 May to 27 June for an unheated greenhouse); seed for raising your own is sown from 15 March to 6 May. Within 15 km of Cheboksary OpenStreetMap lists 8 garden centres, 9 markets and 2 farm shops (collected 27 October 2026).

Фиалка — garden centre
Эгерский бульвар 40 · 5 km
ЦветНик — garden centre
Mon–Sun 08:00–21:00 · 2 km
Садовод — garden centre
Mon–Sat 08:00–19:00; Sun 08:00–18:00 · 14 km
Семена — garden centre
Mon–Sat 08:00–19:00, Sun 08:00–18:00 · 15 km

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.

Questions