In Fredericton, the average last spring frost is May 14 and the average first fall frost is Sep 24, a growing season of about 133 days (zone 5b). Start tomatoes indoors around Apr 2 and move them outside from May 28. Plant garlic Oct 1 to Oct 8, one to two weeks after the first fall frost.
Fredericton at a glance
- Last spring frost
- May 14 (average)
- First fall frost
- Sep 24 (average)
- Frost-free season
- About 133 days
- Hardiness zone
- 5b (NRCan)
- Weather stations
- Fredericton (Airport); Woodstock/Newbridge; and Vanceboro No 2, ME, 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 Fredericton this month (January)
Nothing is scheduled to be sown or planted in Fredericton in January. Next up: start onions indoors on Mar 5.
What to plant in Fredericton this month (February)
Nothing is scheduled to be sown or planted in Fredericton in February. Next up: start onions indoors on Mar 5.
What to plant in Fredericton this month (March)
- Start onions indoors: Mar 5
Coming up in early April: start tomatoes indoors (Apr 2), start peppers indoors (Apr 2), start eggplant indoors (Apr 2), start lettuce indoors (Apr 2), start kale indoors (Apr 9), start broccoli indoors (Apr 9) and start cabbage indoors (Apr 9).
What to plant in Fredericton this month (April)
- Start tomatoes indoors: Apr 2
- Start peppers indoors: Apr 2
- Start eggplant indoors: Apr 2
- Start lettuce indoors: Apr 2
- Start kale indoors: Apr 9
- Start broccoli indoors: Apr 9
- Start cabbage indoors: Apr 9
- Start basil indoors: Apr 16
- Direct sow spinach: Apr 23
- Direct sow peas: Apr 23
- Direct sow radishes: Apr 23
- Transplant lettuce: Apr 30
- Direct sow carrots: Apr 30
- Start cucumbers indoors: Apr 30
- Start zucchini indoors: Apr 30
- Start winter squash indoors: Apr 30
Coming up in early May: direct sow beets (May 7), transplant kale (May 7), transplant broccoli (May 7), transplant cabbage (May 7), direct sow potatoes (May 7) and transplant onions (May 14).
What to plant in Fredericton this month (May)
- Direct sow beets: May 7
- Transplant kale: May 7
- Transplant broccoli: May 7
- Transplant cabbage: May 7
- Direct sow potatoes: May 7
- Transplant onions: May 14
- Transplant cucumbers: May 21
- Transplant zucchini: May 21
- Transplant winter squash: May 21
- Direct sow beans: May 21
- Transplant tomatoes: May 28
- Transplant peppers: May 28
- Transplant eggplant: May 28
- Transplant basil: May 28
What to plant in Fredericton this month (June)
Nothing is scheduled to be sown or planted in Fredericton in June. Next up: sow peas for a fall harvest on Jul 16.
What to plant in Fredericton this month (July)
- Sow peas for a fall harvest: Jul 16
- Sow kale for a fall harvest: Jul 16
- Sow lettuce for a fall harvest: Jul 30
Coming up in early August: sow spinach for a fall harvest (Aug 6).
What to plant in Fredericton this month (August)
- Sow spinach for a fall harvest: Aug 6
- Sow radishes for a fall harvest: Aug 20
What to plant in Fredericton this month (September)
Nothing is scheduled to be sown or planted in Fredericton in September. Next up: plant garlic on Oct 1.
What to plant in Fredericton this month (October)
- Plant garlic: Oct 1 to Oct 8
What to plant in Fredericton this month (November)
Nothing is scheduled to be sown or planted in Fredericton in November. Next up: start onions indoors on Mar 5.
What to plant in Fredericton this month (December)
Nothing is scheduled to be sown or planted in Fredericton in December. Next up: start onions indoors on Mar 5.
Fredericton planting calendar
| Crop | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Tomatoes | Apr 2 | Transplant May 28 | From Aug 14 |
| Peppers | Apr 2 | Transplant May 28 | From Aug 8 |
| Eggplant | Apr 2 | Transplant May 28 | From Aug 11 |
| Basil | Apr 16 | Transplant May 28 | From Jul 9 |
| Onions (from seed) | Mar 5 | Transplant May 14 | From Aug 22 |
| Lettuce | Apr 2 | Transplant Apr 30Fall: direct sow Jul 30 | From Jun 9Fall: from Sep 8 |
| Spinach | n/a | Direct sow Apr 23Fall: direct sow Aug 6 | From Jun 2Fall: from Sep 15 |
| Peas | n/a | Direct sow Apr 23Fall: direct sow Jul 16 | From Jun 22Fall: from Sep 14 |
| Radishes | n/a | Direct sow Apr 23Fall: direct sow Aug 20 | From May 18Fall: from Sep 14 |
| Carrots | n/a | Direct sow Apr 30 | From Jul 9 |
| Beets | n/a | Direct sow May 7 | From Jul 1 |
| Kale | Apr 9 | Transplant May 7Fall: direct sow Jul 16 | From Jul 1Fall: from Sep 9 |
| Broccoli | Apr 9 | Transplant May 7 | From Jul 11 |
| Cabbage | Apr 9 | Transplant May 7 | From Jul 16 |
| Cucumbers | Apr 30 | Transplant May 21 | From Jul 15 |
| Zucchini | Apr 30 | Transplant May 21 | From Jul 10 |
| Winter squash | Apr 30 | Transplant May 21 | From Aug 19 |
| Beans | n/a | Direct sow May 21 | From Jul 15 |
| Potatoes | n/a | Direct sow May 7 | From Jul 26 |
| Garlic | n/a | Plant cloves Oct 1 to Oct 8 | Around Aug 6 the next year |
Dates are for one planting of each crop, from Fredericton'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 Fredericton
Plant garlic Oct 1 to Oct 8. That is one to two weeks after Fredericton's average first fall frost of Sep 24, the timing University of Minnesota Extension recommends, so the cloves root before winter without sending shoots up. Harvest comes around Aug 6 the following summer. How to plant garlic in Fredericton.
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 Fredericton:
- Peas: sow Jul 16, ready from about Sep 14
- Kale: sow Jul 16, ready from about Sep 9
- Lettuce: sow Jul 30, ready from about Sep 8
- Spinach: sow Aug 6, ready from about Sep 15
- Radishes: sow Aug 20, ready from about Sep 14
Nearby planting calendars
Fredericton planting questions
When is the last frost in Fredericton?
The average last spring frost in Fredericton is May 14, and the average first fall frost is Sep 24, 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 Fredericton?
Start tomatoes indoors around Apr 2, 8 weeks before moving them outside around May 28, which is two weeks after the average last frost.
What can I plant in Fredericton in fall?
Garlic goes in Oct 1 to Oct 8. For fall harvests, sow peas and kale around Jul 16, lettuce around Jul 30, spinach around Aug 6 and radishes around Aug 20.