When to Plant Napa cabbage in Monroeville, PA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Monroeville you can figure out when it's a good idea to plant napa cabbage by reviewing the USDA zone info.


Planting Calendar for Napa cabbage

Frost tolerance for napa cabbage: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Napa cabbage are one of those plants that can tolerate quite a bit of cold weather which tells us that you can start planting them much earlier than other frost tender plants.

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

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

Last Frost Date

In Monroeville the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Monroeville may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Monroeville last frost occurs after April 15 so make sure that you are prepared to cover your napa cabbage in the event of a late frost.

USDA Zone Info for Monroeville

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 Monroeville

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