One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 first chance to plant coral bells in Kittanning can be determined by reviewing the USDA zone info.

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 plant them earlier than other plants that might not handle the cold.

The earliest that you can plant coral bells in Kittanning 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. If you wait any later than that and your coral bells may not have a chance to fully mature. Starting your coral bells indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Kittanning. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Kittanning is just an average the actual date of last frost will vary from year to year. Half of the time in Kittanning you get surprised by a frost after April 15 so be sure to be ready to protect your coral bells in the event of a late frost.

USDA Zone Info for Kittanning

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 Kittanning

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