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

A way of determining when to plant coral bells is to consult the USDA zone info for Penns Grove.

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 can survive in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant coral bells in Penns Grove 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. You probably don't want to wait any later than that or else your coral bells may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your coral bells indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Penns Grove. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Penns Grove may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Penns Grove last frost occurs after April 15 so always be ready to protect your coral bells in the event of a surprise late frost.

USDA Zone Info for Penns Grove

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 Low	5°F
Highest Expected Low	10°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 Penns Grove

You may be interested in your other planting guides for Penns Grove.