When can I plant Mustard greens in Zone 10a

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

The USDA zone info for Zone 10a should be looked at to determine when to plant mustard greens.


Planting Calendar for Mustard greens

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

Mustard greens do well in moderate cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant mustard greens
Possibly ok, but a risky time to plant mustard greens
Probably not a good time to plant mustard greens

The earliest that you can plant mustard greens in Zone 10a 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. You probably don't want to wait any later than that or else your mustard greens may not have a chance to really do well. You can get started a few weeks earlier by starting your mustard greens indoors.

Last Frost Date

In Zone 10a the average date of last frost happens on January 31. In the coldest months of winter we should expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Zone 10a is an average and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 10a there is a last frost after January 31 so make sure that you are prepared to cover your mustard greens in the event of a late frost.

USDA Zone Info for Zone 10a

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 Low30°F
Highest Expected Low35°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 Zone 10a

You may be interested in our other planting guides for Zone 10a.