Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's possible to plant mustard is to consult the USDA zone info for Santa Paula.

Planting Calendar for Mustard

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

Since mustard require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant mustard in Santa Paula 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. 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 February 15 in Santa Paula. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Santa Paula is just an average and the actual date of last frost changes from year to year. Half of the time in Santa Paula it frosts late in the year after February 15 so always be ready to protect your mustard in the event of a surprise late frost.

USDA Zone Info for Santa Paula

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Santa Paula

You may be interested in your other planting guides for Santa Paula.