When to Plant Iresene in New Cumberland, PA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In New Cumberland you can determine when it's a good idea to plant iresene by using the USDA zone info.


Planting Calendar for Iresene

Frost tolerance for iresene: Not tolerant of frost.
When to plant: After the last frost has passed.

Iresene require warm weather which tells us that you need to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant iresene in New Cumberland is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant iresene and expect a good harvest is probably August. Any later than that and your iresene may not have a chance to grow to maturity. If you are starting your iresene indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in New Cumberland. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for New Cumberland is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in New Cumberland there is a last frost after April 15 so always be ready to cover your iresene in the event of a late frost.

USDA Zone Info for New Cumberland

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 New Cumberland

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