One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant canna is to look at the USDA zone info for Lockport.

Planting Calendar for Canna

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

Since canna are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant canna in Lockport 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. If you wait any later than that and your canna may not have a chance to really do well. If you are starting your canna indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Lockport. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Lockport may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Lockport last frost occurs after April 15 be ready to protect your canna if you have a late frost.

USDA Zone Info for Lockport

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Lockport

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