One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Toronto can be read to figure out when you can plant pumpkins.

Planting Calendar for Pumpkins

Frost tolerance for pumpkins:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since pumpkins do not do well in cold weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant pumpkins in Toronto is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant pumpkins and expect a good harvest is probably August. If you wait any later than that and your pumpkins may not have a chance to fully mature. You can get started a few weeks earlier by starting your pumpkins indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Toronto. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Toronto is just an average the actual date of last frost is different every year. Half of the time in Toronto you get a frost after April 15 so make sure that you are ready to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for Toronto

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Toronto

You may be interested in your other planting guides for Toronto.