The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when you can plant mustard by using the USDA zone info for Zone 2b.

Planting Calendar for Mustard

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

Since mustard do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant mustard in Zone 2b 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 grow to maturity. You can get started a little bit earlier by starting your mustard indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Zone 2b. In the coldest months of winter you can expect an average low temperature of -45°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 2b and it changes from year to year. Since half of the time in Zone 2b you get surprised by a frost after May 15 be ready to protect your mustard in the event of a late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-45°F
Highest Expected Low	-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.