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.

The first opportunity to plant napa cabbage in Murphysboro should be figured out by referring to 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.

Since napa cabbage are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant napa cabbage in Murphysboro 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. Any later than that and your napa cabbage may not have a chance to really do well. Starting your napa cabbage indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Murphysboro. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Murphysboro 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 Murphysboro it frosts late in the year after April 15 so just be sure to be ready to protect your napa cabbage if you have a late frost.

USDA Zone Info for Murphysboro

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 Low	0°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 Murphysboro

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