When to Plant Coral Bells in New Holland, PA

One of the first steps you take when you are figuring out 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 New Holland can be read to determine when you can 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 tend to make it in a little bit of cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant coral bells
Possibly ok, but a risky time to plant coral bells
Probably not a good time to plant coral bells

The earliest that you can plant coral bells in New Holland 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 is on April 15 in New Holland. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for New Holland is just an average the actual date of last frost changes from year to year. Since half of the time in New Holland it frosts late in the year after April 15 be ready to cover your coral bells in the event of a late frost.

USDA Zone Info for New Holland

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 New Holland

You may be interested in your other planting guides for New Holland.