Greenly Garden

When to plant peas in Bismarck: 10 April – 2 August

In Bismarck, peas: sow straight into the bed from 10 April to 2 August.

Peas in Bismarck: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (1 May); the top 7 cm of soil has reached its minimum of 4 °C by then (around 9 April).

Last spring frost1 May
Top 7 cm of soil at 4 °C9 April, 22 days before the last frost
First autumn frost15 October, 188 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window23 June – 15 October
Days left for picking114
Daylight13:17 on 10 April
Watering outdoors when fruiting (card)every 3 days; the driest month, October, has 5 rainy days

Peas in Bismarck: care after planting

Planted on 10 April: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Bismarck during the peas season

About 418 mm of rain falls in the season; October is the driest month (44 mm) and June the wettest (69 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
April11.5-0.652813:34
May20.27.4671015:01
June26.614.169915:51
July29.117.263815:31
August27.615.868814:15
September23.411.855712:37
October13.73.644510:58

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Bismarck, Sioux Falls is 7 days earlier and Winnipeg 11 days later.

CityDistanceDateDifference
Pierre274 km5 April – 11 August5 days earlier
Fargo303 km9 April – 3 August1 day earlier
Grand Forks303 km19 April – 3 August9 days later
Rapid City360 km16 April – 30 July6 days later
Winnipeg436 km21 April – 30 July11 days later
Sioux Falls482 km3 April – 8 August7 days earlier

Where to buy peas seeds in Bismarck

Seeds go straight into the bed from 10 April to 2 August; buy them before that. Within 15 km of Bismarck OpenStreetMap lists 1 garden centre and 1 market (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

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

When to plant peas in Bismarck?

In Bismarck, peas: sow straight into the bed from 10 April to 2 August.

When is the last spring frost in Bismarck?

Last spring frost around 1 May, first autumn frost around 15 October.

Other crops in Bismarck, with their dates