Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to figure out when to plant mustard by checking out the USDA zone info for Richland.

Planting Calendar for Mustard

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

It's probably not a good idea to plant mustard until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant mustard in Richland 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. You probably don't want to wait any later than that or else your mustard may not have a chance to fully mature. 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 April 15 in Richland. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Richland is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Richland you get a frost after April 15 so just be sure to be ready to protect your mustard in the event of a surprise late frost.

USDA Zone Info for Richland

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Richland

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