When to plant vegetables in Fargo

In Fargo, the average last spring frost is May 5 and the average first fall frost is Oct 2, a growing season of about 150 days (zone 4a). Start tomatoes indoors around Mar 24 and move them outside from May 19. Plant garlic Oct 9 to Oct 16, one to two weeks after the first fall frost.

Fargo at a glance

Last spring frost
May 5 (average)
First fall frost
Oct 2 (average)
Frost-free season
About 150 days
Hardiness zone
4a (USDA)
Weather stations
Moorhead, MN; Fargo 3S, ND; and Fargo Hector Intl AP, ND, 1991 to 2020 normals. GrowSmart's dates are the median of these stations, to within 3 days

An average frost date means frost is still possible after it in about half of years. GrowSmart times tender crops like tomatoes, peppers and basil after this date, not on it.

What to plant in Fargo this month (October)

  • Plant garlic: Oct 9 to Oct 16

Fargo planting calendar

CropStart indoorsPlant outsideHarvest
TomatoesMar 24Transplant May 19From Aug 5
PeppersMar 24Transplant May 19From Jul 30
EggplantMar 24Transplant May 19From Aug 2
BasilApr 7Transplant May 19From Jun 30
Onions (from seed)Feb 24Transplant May 5From Aug 13
LettuceMar 24Transplant Apr 21Fall: direct sow Aug 7From May 31Fall: from Sep 16
Spinachn/aDirect sow Apr 14Fall: direct sow Aug 14From May 24Fall: from Sep 23
Peasn/aDirect sow Apr 14Fall: direct sow Jul 24From Jun 13Fall: from Sep 22
Radishesn/aDirect sow Apr 14Fall: direct sow Aug 28From May 9Fall: from Sep 22
Carrotsn/aDirect sow Apr 21From Jun 30
Beetsn/aDirect sow Apr 28From Jun 22
KaleMar 31Transplant Apr 28Fall: direct sow Jul 24From Jun 22Fall: from Sep 17
BroccoliMar 31Transplant Apr 28From Jul 2
CabbageMar 31Transplant Apr 28From Jul 7
CucumbersApr 21Transplant May 12From Jul 6
ZucchiniApr 21Transplant May 12From Jul 1
Winter squashApr 21Transplant May 12From Aug 10
Beansn/aDirect sow May 12From Jul 6
Potatoesn/aDirect sow Apr 28From Jul 17
Garlicn/aPlant cloves Oct 9 to Oct 16Around Jul 28 the next year

Dates are for one planting of each crop, from Fargo's average frost dates. Tomatoes are indeterminate, lettuce is looseleaf and beans are bush beans. Harvest dates are when the first picking is usually ready. Garlic follows University of Minnesota Extension (see below).

Fall planting in Fargo

Plant garlic Oct 9 to Oct 16. That is one to two weeks after Fargo's average first fall frost of Oct 2, the timing University of Minnesota Extension recommends, so the cloves root before winter without sending shoots up. Harvest comes around Jul 28 the following summer. How to plant garlic in Fargo.

Shallots: GrowSmart's plan has you plant shallot sets in fall in zone 5 and warmer, and in spring in colder zones.

Cool-season crops GrowSmart schedules for a fall harvest in Fargo:

Plan your whole Fargo garden

These dates are the starting point. GrowSmart builds the full season for your own beds: spring, summer and fall planting, succession sowings, companion planting with the reasons, and a crop rotation memory that warns you before you plant tomatoes in last year's spot. Free to start, no account needed.

Nearby planting calendars

Fargo planting questions

When is the last frost in Fargo?

The average last spring frost in Fargo is May 5, and the average first fall frost is Oct 2, from 1991 to 2020 climate normals at 3 nearby weather stations. Frost is still possible after the spring date in about half of years.

When should I start tomato seeds in Fargo?

Start tomatoes indoors around Mar 24, 8 weeks before moving them outside around May 19, which is two weeks after the average last frost.

What can I plant in Fargo in fall?

Garlic goes in Oct 9 to Oct 16. For fall harvests, sow peas and kale around Jul 24, lettuce around Aug 7, spinach around Aug 14 and radishes around Aug 28.