One of the best tools that you have as gardeners to help us figure out 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 you can plant parsley is to check out the USDA zone info for Marshall.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsley are moderately cold tolerant which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant parsley in Marshall 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 parsley and expect a good harvest is probably August. If you wait any later than that and your parsley may not have a chance to grow to maturity. You can get started a little bit earlier by starting your parsley indoors.

Last Frost Date

In Marshall the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Marshall may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Marshall you get surprised by a frost after May 15 so be sure to be ready to cover your parsley if you have a late frost.

USDA Zone Info for Marshall

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Marshall

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