When to plant watermelons in Erzurum: 11 June – 7 July

In Erzurum, watermelon: sow for seedlings from 23 April to 9 June; plant into a greenhouse from 21 May to 7 July; plant out into open ground from 11 June to 7 July.

Watermelon in Erzurum: soil, season and weather

In Erzurum the soil, not frost, sets the date: the last frost is over around 11 May, but the top 7 cm of soil reaches 18 °C — the minimum on the watermelon card — only around 11 June, 31 days later.

Last spring frost	11 May
Top 7 cm of soil at 18 °C	11 June, 31 days after the last frost
Into an unheated greenhouse	21 May – 7 July; May outside: 4.6 °C at night, 18.4 °C by day; card 18–35 °C
First autumn frost	16 October, 127 days after the start
Days in the bed to the first harvest (card)	59
First harvest, if planted in this window	9 August – 4 September
Days left for picking	68
Daylight	14:20 on 14 May, 14:57 on 11 June
Watering outdoors when fruiting (card)	every 5 days; the driest month, August, has 2 rainy days

The same dates in Erzurum hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Pumpkin.

Watermelon in Erzurum: care after planting

Planted on 11 June: in the first weeks water every 5 days.

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

11 June — feed: balanced (NPK)

Pests and diseases of watermelon 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 Erzurum during the watermelon season

No month of the season averages above the watermelon card's 18–35 °C by day; the warmest, August, averages 30.2 °C. Months that stay below 18 °C even by day on average: October (17.1 °C). Nights average below 18 °C in every month of the season, from 3.7 °C to 13.7 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	24.7	9.2	40	9	14:59
July	28.7	12.7	22	5	14:45
August	30.2	13.7	9	2	13:47
September	24.5	9.1	15	3	12:30
October	17.1	3.7	34	6	11:12

ERA5 2016–2025, Open-Meteo

Watermelon in nearby cities

1 of the nearest cities share Erzurum's date.

City	Distance	Date	Difference
Trabzon	180 km	5 May – 3 September	37 days earlier
Batumi	195 km	13 May – 3 September	29 days earlier
Gyumri	239 km	11 June – 11 July	same day
Diyarbakır	240 km	1 May – 16 August	41 days earlier
Van	240 km	5 June – 20 July	6 days earlier
Yerevan	277 km	29 May – 24 July	13 days earlier

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.

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