When to Plant Coral Bells in Conshohocken, PA

Before planting it is a good idea to find your USDA Zone info to estimate 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.

It's a good idea to determine when it's a good idea to plant coral bells by looking at the USDA zone info for Conshohocken.


Planting Calendar for Coral Bells

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

Since coral bells do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

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 Conshohocken 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 really do well. Starting your coral bells indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Conshohocken. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Conshohocken may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Conshohocken you get surprised by a frost after April 15 so make sure that you are prepared to protect your coral bells if you have a late frost.

USDA Zone Info for Conshohocken

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Conshohocken

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