When to plant zucchini in Manchester (United States): 30 May – 16 August

In Manchester (United States), zucchini: sow for seedlings from 18 April to 26 July; plant into a greenhouse from 9 May to 16 August; plant out into open ground from 30 May to 16 August. For plants and seeds, the places nearby include Catbird Corner Flower Stand (farm shop, 5 km) and Demers Garden Center (garden centre, 6 km); addresses and opening hours are below.

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

In Manchester (United States) the soil, not frost, sets the date: the last frost is over around 22 April, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 30 May, 38 days later.

Last spring frost	22 April
Top 7 cm of soil at 18 °C	30 May, 38 days after the last frost
First autumn frost	2 November, 156 days after the start
Days in the bed to the first harvest (card)	36
First harvest, if planted in this window	5 July – 21 September
Days left for picking	120
Daylight	14:25 on 9 May, 15:05 on 30 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, November, has 9 rainy days

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

Zucchini in Manchester (United States): care after planting

Planted on 30 May: in the first weeks water every 4 days.

Pests and diseases of zucchini to watch for:

Weather in Manchester (United States) during the zucchini season

About 697 mm of rain falls in the season; November is the driest month (80 mm) and October the wettest (121 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	20.1	9	98	12	14:38
June	25.8	14.5	94	11	15:20
July	28.9	18.1	116	13	15:04
August	27.4	17	97	11	13:58
September	23.2	13.4	91	9	12:33
October	16.6	7.7	121	10	11:06
November	8.9	0.7	80	9	9:45

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

Around Manchester (United States), Boston is 1 day earlier and Portland, Maine 21 days later.

City	Distance	Date	Difference
Concord	25 km	1 June – 14 August	2 days later
Boston	77 km	29 May – 27 August	1 day earlier
Worcester (United States)	85 km	31 May – 22 August	1 day later
Portland, Maine	122 km	20 June – 18 August	21 days later
Providence	130 km	31 May – 22 August	1 day later
Montpelier	167 km	20 June – 31 July	21 days later

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

Buy plants ready to set out from 30 May to 16 August (from 9 May to 16 August for an unheated greenhouse); seed for raising your own is sown from 18 April to 26 July. Within 15 km of Manchester (United States) OpenStreetMap lists 6 garden centres, 1 farm-supply shop and 8 farm shops (collected 28 October 2026).

Demers Garden Center — garden centre
South Mammoth Road 656, 03109 Manchester · 6 km · demersgardencenter.com
Amherst Garden Center — garden centre
NH 101 305, 03031 Amherst · 15 km
Osborne's Agway — farm supply
Cinemagic Way 16, 03106 Hooksett · Mon–Fri 08:00–18:00; Sat 08:00–17:00; Sun 09:00–16:00 · 6 km · osbornesagway.com
Catbird Corner Flower Stand — farm shop · sells: vegetables, flowers
Goffstown Back Road 304, 03045 Goffstown · Apr–Oct Wed, Sat–Sun 10:00–18:00 · 5 km · catbirdcorner.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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