When to Plant Heuchera in Hellertown, PA

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

The USDA zone info for Hellertown can be read to determine when to plant heuchera.


Planting Calendar for Heuchera

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

Heuchera do well in moderate cold which means that you can get them planted earlier than other frost tender plants.

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

The earliest that you can plant heuchera in Hellertown 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 heuchera and expect a good harvest is probably September. You probably don't want to wait any later than that or else your heuchera may not have a chance to fully mature. If you are starting your heuchera indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Hellertown the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Hellertown is an average and the actual date of last frost is different every year. Since half of the time in Hellertown it frosts late in the year after April 15 be ready to protect your heuchera in the event of a late frost.

USDA Zone Info for Hellertown

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 Hellertown

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