The USDA Zone info is a great tool for gardeners to help us determine 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.

You can determine when it's the best time to plant black pepper in Mandan by referring to the USDA zone info.

Planting Calendar for Black pepper

Frost tolerance for black pepper:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You should not plant black pepper until after all chance of frost has passed because they require warm weather.

The earliest that you can plant black pepper in Mandan is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant black pepper and expect a good harvest is probably August. If you wait any later than that and your black pepper may not have a chance to really do well. If you are starting your black pepper indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Mandan. In the coldest months of winter you can expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Mandan and it can change quite a bit from year to year. Half of the time in Mandan you get a frost after May 15 so make sure that you are prepared to cover your black pepper in the event of a surprise late frost.

USDA Zone Info for Mandan

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Mandan

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