The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant endive in Pierre can be figured out by reviewing the USDA zone info.

Planting Calendar for Endive

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

Endive do well in moderate cold which tells us that you can get them planted earlier than more sensitive plants.

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

Last Frost Date

The average date of last frost is May 15 in Pierre. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Pierre is just an average the actual date of last frost changes from year to year. Since half of the time in Pierre it frosts late in the year after May 15 be ready to protect your endive in the event of one of those late frosts.

USDA Zone Info for Pierre

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 Pierre

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