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.

The USDA zone info for Clemmons should be looked at to estimate when it's a good idea to plant canna.

Planting Calendar for Canna

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

You really shouldn't plant canna until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant canna in Clemmons 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

In Clemmons the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Clemmons is an average and the actual date of last frost is different every year. Since half of the time in Clemmons it frosts late in the year after April 15 be ready to cover your canna in the event of one of those late frosts.

USDA Zone Info for Clemmons

Here is the info for USDA Zone 7b.

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

Plants to Grow in Clemmons

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