Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's possible to plant parsley in South San Francisco by checking out the USDA zone info.

Planting Calendar for Parsley

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

Parsley do ok in some cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant parsley in South San Francisco 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 parsley and expect a good harvest is probably October. Any later than that and your parsley may not have a chance to grow to maturity. If you are starting your parsley indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in South San Francisco. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for South San Francisco is an average the actual date of last frost will vary from year to year. Since half of the time in South San Francisco there is a last frost after January 31 be ready to protect your parsley in the event of a late frost.

USDA Zone Info for South San Francisco

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 South San Francisco

You may be interested in your other planting guides for South San Francisco.