When to Plant Mecardonia in New Castle, PA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

By reviewing the USDA zone info for New Castle you will be able to figure out when it's a good idea to plant mecardonia.


Planting Calendar for Mecardonia

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

Since mecardonia require warm weather you need to wait until after the last frost before you can plant them.

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

The earliest that you can plant mecardonia in New Castle 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 mecardonia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your mecardonia may not have a chance to really do well. Starting your mecardonia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in New Castle. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for New Castle is an average and the actual date of last frost changes from year to year. Half of the time in New Castle it frosts late in the year after April 15 so make sure that you are ready to protect your mecardonia if you have a late frost.

USDA Zone Info for New Castle

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in New Castle

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