When to plant vegetables in Sherbrooke

In Sherbrooke, the average last spring frost is May 28 and the average first fall frost is Sep 17, a growing season of about 112 days (zone 5a). Start tomatoes indoors around Apr 16 and move them outside from Jun 11. Plant garlic Sep 24 to Oct 1, one to two weeks after the first fall frost.

Sherbrooke at a glance

Last spring frost
May 28 (average)
First fall frost
Sep 17 (average)
Frost-free season
About 112 days
Hardiness zone
5a (NRCan)
Weather stations
Lennoxville, Sherbrooke and Richmond, 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 Sherbrooke this month (October)

  • Plant garlic: Sep 24 to Oct 1

Sherbrooke planting calendar

CropStart indoorsPlant outsideHarvest
TomatoesApr 16Transplant Jun 11From Aug 28
PeppersApr 16Transplant Jun 11From Aug 22
EggplantApr 16Transplant Jun 11From Aug 25
BasilApr 30Transplant Jun 11From Jul 23
Onions (from seed)Mar 19Transplant May 28From Sep 5
LettuceApr 16Transplant May 14Fall: direct sow Jul 23From Jun 23Fall: from Sep 1
Spinachn/aDirect sow May 7Fall: direct sow Jul 30From Jun 16Fall: from Sep 8
Peasn/aDirect sow May 7Fall: direct sow Jul 9From Jul 6Fall: from Sep 7
Radishesn/aDirect sow May 7Fall: direct sow Aug 13From Jun 1Fall: from Sep 7
Carrotsn/aDirect sow May 14From Jul 23
Beetsn/aDirect sow May 21From Jul 15
KaleApr 23Transplant May 21Fall: direct sow Jul 9From Jul 15Fall: from Sep 2
BroccoliApr 23Transplant May 21From Jul 25
CabbageApr 23Transplant May 21From Jul 30
CucumbersMay 14Transplant Jun 4From Jul 29
ZucchiniMay 14Transplant Jun 4From Jul 24
Winter squashMay 14Transplant Jun 4From Sep 2
Beansn/aDirect sow Jun 4From Jul 29
Potatoesn/aDirect sow May 21From Aug 9
Garlicn/aPlant cloves Sep 24 to Oct 1Around Aug 20 the next year

Dates are for one planting of each crop, from Sherbrooke'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 Sherbrooke

Plant garlic Sep 24 to Oct 1. That is one to two weeks after Sherbrooke's average first fall frost of Sep 17, the timing University of Minnesota Extension recommends, so the cloves root before winter without sending shoots up. Harvest comes around Aug 20 the following summer. How to plant garlic in Sherbrooke.

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 Sherbrooke:

Plan your whole Sherbrooke 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

Sherbrooke planting questions

When is the last frost in Sherbrooke?

The average last spring frost in Sherbrooke is May 28, and the average first fall frost is Sep 17, 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 Sherbrooke?

Start tomatoes indoors around Apr 16, 8 weeks before moving them outside around Jun 11, which is two weeks after the average last frost.

What can I plant in Sherbrooke in fall?

Garlic goes in Sep 24 to Oct 1. For fall harvests, sow peas and kale around Jul 9, lettuce around Jul 23, spinach around Jul 30 and radishes around Aug 13.