One of the best tools that you have as gardeners to help us determine 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.

In Two Rivers you can estimate when it's the best time to plant mustard by referring to the USDA zone info.

Planting Calendar for Mustard

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

It's a bad idea to plant mustard until after the last frost because they do not do well in cold weather.

The earliest that you can plant mustard in Two Rivers is April. However, you really should wait until May 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. Any later than that and your mustard may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your mustard indoors.

Last Frost Date

The average date of last frost is April 15 in Two Rivers. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Two Rivers is just an average the actual date of last frost changes from year to year. Half of the time in Two Rivers you get surprised by a frost after April 15 so make sure that you are ready to cover your mustard in the event of a late frost.

USDA Zone Info for Two Rivers

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Two Rivers

You may be interested in your other planting guides for Two Rivers.