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When to plant peas in Idaho Falls: 20 April – 1 August

In Idaho Falls, peas: sow straight into the bed from 20 April to 1 August.

Peas in Idaho Falls: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (11 May); the top 7 cm of soil has reached its minimum of 4 °C by then (around 24 March).

Last spring frost11 May
Top 7 cm of soil at 4 °C24 March, 48 days before the last frost
First autumn frost14 October, 177 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window3 July – 14 October
Days left for picking103
Daylight13:38 on 20 April
Watering outdoors when fruiting (card)every 3 days; the driest month, July, has 1 rainy day

Peas in Idaho Falls: care after planting

Planted on 20 April: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Idaho Falls during the peas season

About 179 mm of rain falls in the season; July is the driest month (5 mm) and May the wettest (43 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
April14.40.6331013:24
May20.65.543914:41
June27.311.221515:24
July32.915.75115:07
August30.914.214314:00
September25.29.527512:33
October15.32.436711:05

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Idaho Falls, Boise is 26 days earlier and Helena 8 days later.

CityDistanceDateDifference
Salt Lake City305 km3 April – 13 August17 days earlier
Boise336 km25 March – 14 August26 days earlier
Helena345 km28 April – 21 July8 days later
Billings377 km4 April – 1 August16 days earlier
Missoula406 km27 April – 24 July7 days later
Elko425 km15 April – 31 July5 days earlier

Where to buy peas seeds in Idaho Falls

Seeds go straight into the bed from 20 April to 1 August; buy them before that. Within 15 km of Idaho Falls OpenStreetMap lists 4 garden centres, 3 farm-supply shops, 2 plant nurseries, 2 markets and 1 farm shop (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 Idaho Falls?

In Idaho Falls, peas: sow straight into the bed from 20 April to 1 August.

When is the last spring frost in Idaho Falls?

Last spring frost around 11 May, first autumn frost around 14 October.

Other crops in Idaho Falls, with their dates