When to plant zucchini in Syracuse (United States): 31 May – 20 August

In Syracuse (United States), zucchini: sow for seedlings from 19 April to 30 July; plant into a greenhouse from 10 May to 20 August; plant out into open ground from 31 May to 20 August. For plants and seeds, the places nearby include EverGreen Landscaping & Garden Center (garden centre, 5 km) and Plumpton Farms (garden centre, 11 km); addresses and opening hours are below.

Zucchini in Syracuse (United States): soil, season and weather

In Syracuse (United States) the soil, not frost, sets the date: the last frost is over around 28 April, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 31 May, 33 days later.

Last spring frost	28 April
Top 7 cm of soil at 18 °C	31 May, 33 days after the last frost
First autumn frost	6 November, 159 days after the start
Days in the bed to the first harvest (card)	36
First harvest, if planted in this window	6 July – 25 September
Days left for picking	123
Daylight	14:27 on 10 May, 15:07 on 31 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, September, has 10 rainy days

The same dates in Syracuse (United States) hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.

Zucchini in Syracuse (United States): care after planting

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

Pests and diseases of zucchini to watch for:

Weather in Syracuse (United States) during the zucchini season

About 797 mm of rain falls in the season; September is the driest month (89 mm) and August the wettest (131 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	19.5	9.2	108	14	14:38
June	24.4	14.7	111	14	15:21
July	27.2	18	126	14	15:04
August	25.6	17.2	131	14	13:59
September	22.5	13.7	89	10	12:33
October	16.3	8.2	129	15	11:06
November	8.2	1.1	103	16	9:45

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

Around Syracuse (United States), Buffalo is 2 days earlier and Ottawa 11 days later.

City	Distance	Date	Difference
Ithaca	74 km	31 May – 22 August	same day
Rochester	121 km	2 June – 26 August	2 days later
Albany	199 km	30 May – 20 August	1 day earlier
Buffalo	224 km	29 May – 24 August	2 days earlier
Ottawa	266 km	11 June – 15 August	11 days later
Toronto	270 km	29 May – 13 August	2 days earlier

Where to buy zucchini plants and seeds near Syracuse (United States)

Buy plants ready to set out from 31 May to 20 August (from 10 May to 20 August for an unheated greenhouse); seed for raising your own is sown from 19 April to 30 July. Within 15 km of Syracuse (United States) OpenStreetMap lists 7 garden centres, 1 plant nursery, 3 markets and 7 farm shops (collected 29 October 2026).

Silver Spring Farm Market — farm shop
8 km · silverspringfarmmarket.com
Oliver's Produce — farm shop
15 km
EverGreen Landscaping & Garden Center — garden centre
Thompson Road 6278, 13206 Syracuse · Mon–Fri 09:00–17:00; Sat 09:00–18:00; Sun 10:00–16:00 · 5 km · evergreensyracuse.com
Plumpton Farms — garden centre
Coye Road 3990, 13078 Jamesville · 09:00–17:30 · 11 km · plumptonfarms.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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