One of the best tools that you have as gardeners to help us determine 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.

A common way of estimating when it's a good idea to plant scallions is to look at the USDA zone info for Murphysboro.

Planting Calendar for Scallions

Frost tolerance for scallions:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Scallions tend to make it in some cold which means that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scallions in Murphysboro is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scallions and expect a good harvest is probably August. Any later than that and your scallions may not have a chance to really do well. Starting your scallions indoors is a great way to get them started a few 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.

Just be sure to remember that USDA zone info for Murphysboro may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Murphysboro you get a frost after April 15 so just be sure to be ready to cover your scallions 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.