One of the best tools that you have as gardeners to help us figure out 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.

The best time to plant mustard greens in Fountain Valley can be figured out by looking at the USDA zone info.

Planting Calendar for Mustard greens

Frost tolerance for mustard greens:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Mustard greens do ok in a little bit of cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant mustard greens in Fountain Valley is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant mustard greens and expect a good harvest is probably October. If you wait any later than that and your mustard greens may not have a chance to really do well. You can get started a little bit earlier by starting your mustard greens indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Fountain Valley. You should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Fountain Valley is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Fountain Valley it frosts late in the year after January 31 so always be ready to protect your mustard greens in the event of one of those late frosts.

USDA Zone Info for Fountain Valley

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Fountain Valley

You may be interested in your other planting guides for Fountain Valley.