When to Plant Canna in Blanchard, OK

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when to plant canna by referring to the USDA zone info for Blanchard.


Planting Calendar for Canna

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

It's not a good idea to plant canna until after the last frost when the weather gets warmer because they are not cold tolerant.

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 Blanchard 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. If you wait any later than that and your canna may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your canna indoors.

Last Frost Date

On average the last frost is on April 15 in Blanchard. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Blanchard is an average the actual date of last frost will vary from year to year. Since half of the time in Blanchard you get surprised by a frost after April 15 be ready to cover your canna if you have one of those late frosts.

USDA Zone Info for Blanchard

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 Blanchard

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