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 USDA zone info for San Francisco should be reffered to in order to figure out when to plant moon vine.

Planting Calendar for Moon Vine

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

It's probably not a good idea to plant moon vine until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant moon vine in San Francisco is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant moon vine and expect a good harvest is probably September. You probably don't want to wait any later than that or else your moon vine may not have a chance to grow to maturity. If you are starting your moon vine 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 San Francisco. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for San Francisco is an average the actual date of last frost will vary from year to year. Since half of the time in San Francisco you get a frost after January 31 be ready to protect your moon vine if you have one of those late frosts.

USDA Zone Info for San Francisco

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 San Francisco

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