In Barrie, the average last spring frost is May 12 and the average first fall frost is Oct 5, a growing season of about 146 days (zone 5b). Start tomatoes indoors around Mar 31 and move them outside from May 26. Plant garlic Oct 12 to Oct 19, one to two weeks after the first fall frost.
Barrie at a glance
- Last spring frost
- May 12 (average)
- First fall frost
- Oct 5 (average)
- Frost-free season
- About 146 days
- Hardiness zone
- 5b (NRCan)
- Weather stations
- Egbert 1 W, ON; Egbert; and Udora, 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 Barrie this month (January)
Nothing is scheduled to be sown or planted in Barrie in January. Next up: start onions indoors on Mar 3.
What to plant in Barrie this month (February)
Nothing is scheduled to be sown or planted in Barrie in February. Next up: start onions indoors on Mar 3.
What to plant in Barrie this month (March)
- Start onions indoors: Mar 3
- Start tomatoes indoors: Mar 31
- Start peppers indoors: Mar 31
- Start eggplant indoors: Mar 31
- Start lettuce indoors: Mar 31
Coming up in early April: start kale indoors (Apr 7), start broccoli indoors (Apr 7), start cabbage indoors (Apr 7) and start basil indoors (Apr 14).
What to plant in Barrie this month (April)
- Start kale indoors: Apr 7
- Start broccoli indoors: Apr 7
- Start cabbage indoors: Apr 7
- Start basil indoors: Apr 14
- Direct sow spinach: Apr 21
- Direct sow peas: Apr 21
- Direct sow radishes: Apr 21
- Transplant lettuce: Apr 28
- Direct sow carrots: Apr 28
- Start cucumbers indoors: Apr 28
- Start zucchini indoors: Apr 28
- Start winter squash indoors: Apr 28
Coming up in early May: direct sow beets (May 5), transplant kale (May 5), transplant broccoli (May 5), transplant cabbage (May 5), direct sow potatoes (May 5) and transplant onions (May 12).
What to plant in Barrie this month (May)
- Direct sow beets: May 5
- Transplant kale: May 5
- Transplant broccoli: May 5
- Transplant cabbage: May 5
- Direct sow potatoes: May 5
- Transplant onions: May 12
- Transplant cucumbers: May 19
- Transplant zucchini: May 19
- Transplant winter squash: May 19
- Direct sow beans: May 19
- Transplant tomatoes: May 26
- Transplant peppers: May 26
- Transplant eggplant: May 26
- Transplant basil: May 26
What to plant in Barrie this month (June)
Nothing is scheduled to be sown or planted in Barrie in June. Next up: sow peas for a fall harvest on Jul 27.
What to plant in Barrie this month (July)
- Sow peas for a fall harvest: Jul 27
- Sow kale for a fall harvest: Jul 27
Coming up in early August: sow lettuce for a fall harvest (Aug 10).
What to plant in Barrie this month (August)
- Sow lettuce for a fall harvest: Aug 10
- Sow spinach for a fall harvest: Aug 17
- Sow radishes for a fall harvest: Aug 31
What to plant in Barrie this month (September)
Nothing is scheduled to be sown or planted in Barrie in September. Next up: plant garlic on Oct 12.
What to plant in Barrie this month (October)
- Plant garlic: Oct 12 to Oct 19
What to plant in Barrie this month (November)
Nothing is scheduled to be sown or planted in Barrie in November. Next up: start onions indoors on Mar 3.
What to plant in Barrie this month (December)
Nothing is scheduled to be sown or planted in Barrie in December. Next up: start onions indoors on Mar 3.
Barrie planting calendar
| Crop | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Tomatoes | Mar 31 | Transplant May 26 | From Aug 12 |
| Peppers | Mar 31 | Transplant May 26 | From Aug 6 |
| Eggplant | Mar 31 | Transplant May 26 | From Aug 9 |
| Basil | Apr 14 | Transplant May 26 | From Jul 7 |
| Onions (from seed) | Mar 3 | Transplant May 12 | From Aug 20 |
| Lettuce | Mar 31 | Transplant Apr 28Fall: direct sow Aug 10 | From Jun 7Fall: from Sep 19 |
| Spinach | n/a | Direct sow Apr 21Fall: direct sow Aug 17 | From May 31Fall: from Sep 26 |
| Peas | n/a | Direct sow Apr 21Fall: direct sow Jul 27 | From Jun 20Fall: from Sep 25 |
| Radishes | n/a | Direct sow Apr 21Fall: direct sow Aug 31 | From May 16Fall: from Sep 25 |
| Carrots | n/a | Direct sow Apr 28 | From Jul 7 |
| Beets | n/a | Direct sow May 5 | From Jun 29 |
| Kale | Apr 7 | Transplant May 5Fall: direct sow Jul 27 | From Jun 29Fall: from Sep 20 |
| Broccoli | Apr 7 | Transplant May 5 | From Jul 9 |
| Cabbage | Apr 7 | Transplant May 5 | From Jul 14 |
| Cucumbers | Apr 28 | Transplant May 19 | From Jul 13 |
| Zucchini | Apr 28 | Transplant May 19 | From Jul 8 |
| Winter squash | Apr 28 | Transplant May 19 | From Aug 17 |
| Beans | n/a | Direct sow May 19 | From Jul 13 |
| Potatoes | n/a | Direct sow May 5 | From Jul 24 |
| Garlic | n/a | Plant cloves Oct 12 to Oct 19 | Around Aug 4 the next year |
Dates are for one planting of each crop, from Barrie'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 Barrie
Plant garlic Oct 12 to Oct 19. That is one to two weeks after Barrie's average first fall frost of Oct 5, the timing University of Minnesota Extension recommends, so the cloves root before winter without sending shoots up. Harvest comes around Aug 4 the following summer. How to plant garlic in Barrie.
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 Barrie:
- Peas: sow Jul 27, ready from about Sep 25
- Kale: sow Jul 27, ready from about Sep 20
- Lettuce: sow Aug 10, ready from about Sep 19
- Spinach: sow Aug 17, ready from about Sep 26
- Radishes: sow Aug 31, ready from about Sep 25
Nearby planting calendars
Barrie planting questions
When is the last frost in Barrie?
The average last spring frost in Barrie is May 12, and the average first fall frost is Oct 5, 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 Barrie?
Start tomatoes indoors around Mar 31, 8 weeks before moving them outside around May 26, which is two weeks after the average last frost.
What can I plant in Barrie in fall?
Garlic goes in Oct 12 to Oct 19. For fall harvests, sow peas and kale around Jul 27, lettuce around Aug 10, spinach around Aug 17 and radishes around Aug 31.