The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Mckeesport you can determine when it's the best time to plant canna by referring to the USDA zone info.

Planting Calendar for Canna

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

Since canna are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant canna in Mckeesport 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. You probably don't want to wait any later than that or else your canna may not have a chance to grow to maturity. If you are starting your canna indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Mckeesport the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Mckeesport is not always accurate and the actual date of last frost is different every year. Since half of the time in Mckeesport you get a frost after April 15 be ready to protect your canna in the event of a late frost.

USDA Zone Info for Mckeesport

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 Mckeesport

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