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

By looking at the USDA zone info for De Soto it's possible to figure out when to 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.

It's probably not a good 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 De Soto 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 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

The average date of last frost is April 15 in De Soto. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for De Soto is just an average and the actual date of last frost is different every year. Half of the time in De Soto there is a last frost after April 15 so just be sure to be ready to protect your mustard if you have a surprise late frost.

USDA Zone Info for De Soto

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in De Soto

You may be interested in your other planting guides for De Soto.