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.

A common way of determining when it's the best time to plant canna is to examine the USDA zone info for Mount Sterling.

Planting Calendar for Canna

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

Canna require warm weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant canna in Mount Sterling 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 grow to maturity. Starting your canna indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Mount Sterling. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Mount Sterling is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Mount Sterling you get a frost after April 15 be ready to cover your canna if you have one of those late frosts.

USDA Zone Info for Mount Sterling

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 Mount Sterling

You may be interested in your other planting guides for Mount Sterling.