One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

It's possible to figure out when it's possible to plant mustard by referring to the USDA zone info for Montclair.

Planting Calendar for Mustard

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

It's probably a bad 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 Montclair is February. However, you really should wait until March 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. If you wait any later than that and your mustard may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your mustard indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Montclair. In the coldest months of winter you should expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Montclair is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Montclair it frosts late in the year after January 31 be ready to cover your mustard in the event of one of those late frosts.

USDA Zone Info for Montclair

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Montclair

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