One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Canton can be looked at to determine when it's possible to plant alternanthera.

Planting Calendar for Alternanthera

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

Alternanthera require warm weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

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

The last month that you can plant alternanthera and expect a good harvest is probably August. Any later than that and your alternanthera may not have a chance to grow to maturity. If you are starting your alternanthera indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Canton. In the coldest months of winter you should expect an average low temperature of -30°F.

Remember that USDA zone info for Canton may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Canton last frost occurs after May 15 be ready to cover your alternanthera in the event of one of those late frosts.

USDA Zone Info for Canton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Canton

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