When to Plant Canna in Valdese, NC

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Valdese you can estimate when it's the best time to plant canna by reviewing the USDA zone info.


Planting Calendar for Canna

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

Since canna require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant canna
Possibly ok, but a risky time to plant canna
Probably not a good time to plant canna

The earliest that you can plant canna in Valdese 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

In Valdese 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 Valdese 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 Valdese there is a last frost after April 15 be ready to protect your canna in the event of a surprise late frost.

USDA Zone Info for Valdese

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 Low5°F
Highest Expected Low10°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 Valdese

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