The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant mustard greens in Oceanside should be determined by referring to 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.

Since mustard greens are one of those plants that can tolerate a little bit of cold weather 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 Oceanside 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. Any later than that and your mustard greens may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your mustard greens indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Oceanside. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Oceanside may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Oceanside it frosts late in the year after January 31 so make sure that you are ready to protect your mustard greens in the event of one of those late frosts.

USDA Zone Info for Oceanside

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 Oceanside

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