In Charlottetown, the average last spring frost is May 26 and the average first fall frost is Oct 10, a growing season of about 137 days (zone 6a). Start tomatoes indoors around Apr 14 and move them outside from Jun 9. Plant garlic Oct 17 to Oct 24, one to two weeks after the first fall frost.
Charlottetown at a glance
- Last spring frost
- May 26 (average)
- First fall frost
- Oct 10 (average)
- Frost-free season
- About 137 days
- Hardiness zone
- 6a (NRCan)
- Weather stations
- Charlottetown (Airport), Elmwood and NEW Glasgow, 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 Charlottetown this month (January)
Nothing is scheduled to be sown or planted in Charlottetown in January. Next up: start onions indoors on Mar 17.
What to plant in Charlottetown this month (February)
Nothing is scheduled to be sown or planted in Charlottetown in February. Next up: start onions indoors on Mar 17.
What to plant in Charlottetown this month (March)
- Start onions indoors: Mar 17
Coming up in early April: start tomatoes indoors (Apr 14), start peppers indoors (Apr 14), start eggplant indoors (Apr 14) and start lettuce indoors (Apr 14).
What to plant in Charlottetown this month (April)
- Start tomatoes indoors: Apr 14
- Start peppers indoors: Apr 14
- Start eggplant indoors: Apr 14
- Start lettuce indoors: Apr 14
- Start kale indoors: Apr 21
- Start broccoli indoors: Apr 21
- Start cabbage indoors: Apr 21
- Start basil indoors: Apr 28
Coming up in early May: direct sow spinach (May 5), direct sow peas (May 5), direct sow radishes (May 5), transplant lettuce (May 12), direct sow carrots (May 12), start cucumbers indoors (May 12), start zucchini indoors (May 12) and start winter squash indoors (May 12).
What to plant in Charlottetown this month (May)
- Direct sow spinach: May 5
- Direct sow peas: May 5
- Direct sow radishes: May 5
- Transplant lettuce: May 12
- Direct sow carrots: May 12
- Start cucumbers indoors: May 12
- Start zucchini indoors: May 12
- Start winter squash indoors: May 12
- Direct sow beets: May 19
- Transplant kale: May 19
- Transplant broccoli: May 19
- Transplant cabbage: May 19
- Direct sow potatoes: May 19
- Transplant onions: May 26
Coming up in early June: transplant cucumbers (Jun 2), transplant zucchini (Jun 2), transplant winter squash (Jun 2), direct sow beans (Jun 2), transplant tomatoes (Jun 9), transplant peppers (Jun 9), transplant eggplant (Jun 9) and transplant basil (Jun 9).
What to plant in Charlottetown this month (June)
- Transplant cucumbers: Jun 2
- Transplant zucchini: Jun 2
- Transplant winter squash: Jun 2
- Direct sow beans: Jun 2
- Transplant tomatoes: Jun 9
- Transplant peppers: Jun 9
- Transplant eggplant: Jun 9
- Transplant basil: Jun 9
What to plant in Charlottetown this month (July)
Nothing is scheduled to be sown or planted in Charlottetown in July. Next up: sow peas for a fall harvest on Aug 1.
What to plant in Charlottetown this month (August)
- Sow peas for a fall harvest: Aug 1
- Sow kale for a fall harvest: Aug 1
- Sow lettuce for a fall harvest: Aug 15
- Sow spinach for a fall harvest: Aug 22
Coming up in early September: sow radishes for a fall harvest (Sep 5).
What to plant in Charlottetown this month (September)
- Sow radishes for a fall harvest: Sep 5
What to plant in Charlottetown this month (October)
- Plant garlic: Oct 17 to Oct 24
What to plant in Charlottetown this month (November)
Nothing is scheduled to be sown or planted in Charlottetown in November. Next up: start onions indoors on Mar 17.
What to plant in Charlottetown this month (December)
Nothing is scheduled to be sown or planted in Charlottetown in December. Next up: start onions indoors on Mar 17.
Charlottetown planting calendar
| Crop | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Tomatoes | Apr 14 | Transplant Jun 9 | From Aug 26 |
| Peppers | Apr 14 | Transplant Jun 9 | From Aug 20 |
| Eggplant | Apr 14 | Transplant Jun 9 | From Aug 23 |
| Basil | Apr 28 | Transplant Jun 9 | From Jul 21 |
| Onions (from seed) | Mar 17 | Transplant May 26 | From Sep 3 |
| Lettuce | Apr 14 | Transplant May 12Fall: direct sow Aug 15 | From Jun 21Fall: from Sep 24 |
| Spinach | n/a | Direct sow May 5Fall: direct sow Aug 22 | From Jun 14Fall: from Oct 1 |
| Peas | n/a | Direct sow May 5Fall: direct sow Aug 1 | From Jul 4Fall: from Sep 30 |
| Radishes | n/a | Direct sow May 5Fall: direct sow Sep 5 | From May 30Fall: from Sep 30 |
| Carrots | n/a | Direct sow May 12 | From Jul 21 |
| Beets | n/a | Direct sow May 19 | From Jul 13 |
| Kale | Apr 21 | Transplant May 19Fall: direct sow Aug 1 | From Jul 13Fall: from Sep 25 |
| Broccoli | Apr 21 | Transplant May 19 | From Jul 23 |
| Cabbage | Apr 21 | Transplant May 19 | From Jul 28 |
| Cucumbers | May 12 | Transplant Jun 2 | From Jul 27 |
| Zucchini | May 12 | Transplant Jun 2 | From Jul 22 |
| Winter squash | May 12 | Transplant Jun 2 | From Aug 31 |
| Beans | n/a | Direct sow Jun 2 | From Jul 27 |
| Potatoes | n/a | Direct sow May 19 | From Aug 7 |
| Garlic | n/a | Plant cloves Oct 17 to Oct 24 | Around Aug 18 the next year |
Dates are for one planting of each crop, from Charlottetown'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 Charlottetown
Plant garlic Oct 17 to Oct 24. That is one to two weeks after Charlottetown's average first fall frost of Oct 10, the timing University of Minnesota Extension recommends, so the cloves root before winter without sending shoots up. Harvest comes around Aug 18 the following summer. How to plant garlic in Charlottetown.
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 Charlottetown:
- Peas: sow Aug 1, ready from about Sep 30
- Kale: sow Aug 1, ready from about Sep 25
- Lettuce: sow Aug 15, ready from about Sep 24
- Spinach: sow Aug 22, ready from about Oct 1
- Radishes: sow Sep 5, ready from about Sep 30
Nearby planting calendars
Charlottetown planting questions
When is the last frost in Charlottetown?
The average last spring frost in Charlottetown is May 26, and the average first fall frost is Oct 10, 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 Charlottetown?
Start tomatoes indoors around Apr 14, 8 weeks before moving them outside around Jun 9, which is two weeks after the average last frost.
What can I plant in Charlottetown in fall?
Garlic goes in Oct 17 to Oct 24. For fall harvests, sow peas and kale around Aug 1, lettuce around Aug 15, spinach around Aug 22 and radishes around Sep 5.