Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant canna is to examine the USDA zone info for Pawtucket.

Planting Calendar for Canna

Frost tolerance for canna:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since canna do not do well in cold weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant canna in Pawtucket 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 canna and expect a good harvest is probably August. Any later than that and your canna may not have a chance to fully mature. Starting your canna indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Pawtucket may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Pawtucket you get surprised by a frost after April 15 be ready to cover your canna in the event of a surprise late frost.

USDA Zone Info for Pawtucket

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 Pawtucket

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