One of the best tools that you have as gardeners to help us estimate 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 looking at the USDA zone info for Silsbee it's possible to estimate when it's a good idea 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.

Since mustard require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant mustard in Silsbee is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant mustard and expect a good harvest is probably September. You probably don't want to wait any later than that or else your mustard may not have a chance to grow to maturity. 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 February 15 in Silsbee. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Silsbee is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Silsbee it frosts late in the year after February 15 so make sure that you are prepared to cover your mustard in the event of one of those late frosts.

USDA Zone Info for Silsbee

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Silsbee

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