When to Plant Canna in Charleroi, PA

The USDA Zone info is a great tool for gardeners to help us figure out 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.

The first opportunity to plant canna in Charleroi can be figured out 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.

It's a bad idea to plant canna until after the last frost has passed because they do not do well in cold weather.

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 Charleroi 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 couple of weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Charleroi is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Charleroi you get a frost after April 15 so make sure that you are prepared to protect your canna in the event of a surprise late frost.

USDA Zone Info for Charleroi

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 Low0°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 Charleroi

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