When to plant bell peppers in Green Bay: 27 May – 10 July

In Green Bay, bell pepper: sow for seedlings from 7 March to 11 May; plant into a greenhouse from 6 May to 10 July; plant out into open ground from 27 May to 10 July.

Bell Pepper in Green Bay: soil, season and weather

In Green Bay the soil, not frost, sets the date: the last frost is over around 29 April, but the top 7 cm of soil reaches 18 °C — the minimum on the bell pepper card — only around 27 May, 28 days later.

Last spring frost	29 April
Top 7 cm of soil at 18 °C	27 May, 28 days after the last frost
Into an unheated greenhouse	6 May – 10 July; May outside: 8.9 °C at night, 19.8 °C by day; card 15–30 °C
First autumn frost	30 October, 156 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	5 August – 18 September
Days left for picking	86
Daylight	12:32 on 28 March, 15:11 on 27 May
Watering outdoors when fruiting (card)	every 4 days; the driest month, September, has 9 rainy days

The same dates in Green Bay hold for Cucumber, Eggplant, Zucchini, Pumpkin and Watermelon.

Bell Pepper in Green Bay: care after planting

Planted on 27 May: in the first weeks water every 5 days.

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

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

Pests and diseases of bell pepper 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 Green Bay during the bell pepper season

No month of the season averages above the bell pepper card's 15–30 °C by day; the warmest, July, averages 28 °C. Nights average below 15 °C in May (8.9 °C), September (13.8 °C) and October (7 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	19.8	8.9	91	11	14:47
June	26.1	15.3	96	12	15:32
July	28	17.8	103	11	15:14
August	26.6	17	91	11	14:05
September	23	13.8	67	9	12:34
October	15.4	7	83	11	11:03

ERA5 2016–2025, Open-Meteo

Bell Pepper in nearby cities

All the nearest cities on our list plant bell pepper later than Green Bay; the closest date is in Milwaukee, 1 day later.

City	Distance	Date	Difference
Milwaukee	165 km	28 May – 12 July	1 day later
Traverse City	192 km	5 June – 20 July	9 days later
Madison	196 km	28 May – 7 July	1 day later
Grand Rapids	256 km	28 May – 14 July	1 day later
Rockford	265 km	28 May – 8 July	1 day later
Chicago	295 km	28 May – 17 July	1 day later

Where to buy bell pepper plants and seeds near Green Bay

Buy plants ready to set out from 27 May to 10 July (from 6 May to 10 July for an unheated greenhouse); seed for raising your own is sown from 7 March to 11 May. Within 15 km of Green Bay OpenStreetMap lists 6 garden centres, 1 plant nursery and 2 markets (collected 20 October 2026).

Pamperin Park Flower Garden — plant nursery
7 km
Oneida Farmers Market — market
Water Circle Place N7332, 54155 Oneida · Jun Thu[3]–Sept 30 Thu 12:00–18:00 · 14 km · oneida-nsn.gov
The Cannery Public Market — market
North Broadway 320, 54303 Green Bay · 0 km
Ivy Trails — garden centre
11 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