When to Plant Canna in Connellsville, PA

One of the first steps you take when you are making a decision about 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.

The USDA zone info for Connellsville can be used to determine when it's possible to plant canna.


Planting Calendar for Canna

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

It's probably not a good idea to plant canna until after the last frost because they require warm 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 Connellsville 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. You probably don't want to wait any later than that or else your canna may not have a chance to really do well. Starting your canna indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Connellsville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Connellsville is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Connellsville you get surprised by a frost after April 15 so make sure that you are ready to protect your canna if you have a surprise late frost.

USDA Zone Info for Connellsville

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Connellsville

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