One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant mustard by looking at the USDA zone info for Groveland.

Planting Calendar for Mustard

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

Mustard require warm weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant mustard in Groveland 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 fully mature. You can get started a little bit earlier by starting your mustard indoors.

Last Frost Date

In Groveland the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Groveland and it can change quite a bit from year to year. Half of the time in Groveland you get surprised by a frost after February 15 so just be sure to be ready to protect your mustard if you have a late frost.

USDA Zone Info for Groveland

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 Groveland

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