When to plant pumpkins in Kitchener: 31 May – 1 July

In Kitchener, pumpkin: sow for seedlings from 29 March to 20 May; plant into a greenhouse from 10 May to 1 July; plant out into open ground from 31 May to 1 July. For plants and seeds, the places nearby include Belgian Nursery (garden centre, 12 km); addresses and opening hours are below.

Pumpkin in Kitchener: soil, season and weather

In Kitchener the soil, not frost, sets the date: the last frost is over around 30 April, but the top 7 cm of soil reaches 18 °C — the minimum on the pumpkin card — only around 31 May, 31 days later.

Last spring frost	30 April
Top 7 cm of soil at 18 °C	31 May, 31 days after the last frost
First autumn frost	26 October, 148 days after the start
Days in the bed to the first harvest (card)	75
First harvest, if planted in this window	14 August – 14 September
Days left for picking	73
Daylight	13:35 on 19 April, 15:09 on 31 May
Watering outdoors when fruiting (card)	every 5 days; the driest month, September, has 9 rainy days

The same dates in Kitchener hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Watermelon.

Pumpkin in Kitchener: care after planting

Planted on 31 May: in the first weeks water every 4 days.

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

21 June — feed: nitrogen

Pests and diseases of pumpkin 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 Kitchener during the pumpkin season

About 487 mm of rain falls in the season; September is the driest month (67 mm) and June the wettest (97 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	19	7.8	80	12	14:41
June	24.4	13.6	97	11	15:24
July	26.8	16.3	79	12	15:07
August	25.3	15.7	80	11	14:00
September	22.1	12.5	67	9	12:33
October	15	6.7	84	12	11:05

ERA5 2016–2025, Open-Meteo

Pumpkin in nearby cities

Around Kitchener, Cleveland is 3 days earlier and Hamilton 1 day later.

City	Distance	Date	Difference
Hamilton	57 km	1 June – 13 July	1 day later
London (Canada)	77 km	29 May – 13 July	2 days earlier
Toronto	94 km	29 May – 5 July	2 days earlier
Buffalo	145 km	29 May – 16 July	2 days earlier
Erie	149 km	30 May – 25 July	1 day earlier
Cleveland	236 km	28 May – 27 July	3 days earlier

Where to buy pumpkin plants and seeds near Kitchener

Buy plants ready to set out from 31 May to 1 July (from 10 May to 1 July for an unheated greenhouse); seed for raising your own is sown from 29 March to 20 May. Within 15 km of Kitchener OpenStreetMap lists 13 garden centres, 1 farm-supply shop, 4 markets and 5 farm shops (collected 20 October 2026).

Nauman's Farm — farm shop
13 km · naumanfarm.com
Martin's — farm shop · sells: maple_syrup
10 km
Premier Equipment — farm shop
13 km
Belgian Nursery — garden centre
Victoria Street 2615, N0B 1M0 Breslau · public holidays closed; Jan–Mar: Sun–Tue closed; Wed–Fri 09:00–18:00; Sat 09:00–17:00; Apr–Jun: Mon–Fri 08:00–15:00; Sat–Sun 09:00–15:00; Jul–Sept: Mon–Fri 09:00–18:00; Sat 09:00–17:00; Sun closed, Oct–Dec: Wed–Fri 09:00–18:00; Sat 09:00–17:00; Sun–Tue closed; Dec 24 09:00–15:00; Dec 31 09:00–15:00 · 12 km · belgian-nursery.com

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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