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.

By referring to the USDA zone info for Rothschild you should be able to figure out when you can plant mustard.

Planting Calendar for Mustard

Frost tolerance for mustard:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Mustard require warm weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

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

Last Frost Date

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

It's important to remember that USDA zone info for Rothschild may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Rothschild you get surprised by a frost after May 15 so always be ready to cover your mustard in the event of a late frost.

USDA Zone Info for Rothschild

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 Rothschild

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