Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Canonsburg it's possible to figure out when to plant coral bells.

Planting Calendar for Coral Bells

Frost tolerance for coral bells:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Coral Bells are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant coral bells in Canonsburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant coral bells and expect a good harvest is probably September. Any later than that and your coral bells may not have a chance to grow to maturity. Starting your coral bells indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Canonsburg the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Canonsburg is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Canonsburg you get surprised by a frost after April 15 be ready to cover your coral bells in the event of a late frost.

USDA Zone Info for Canonsburg

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 Canonsburg

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