One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when to plant lotus vine in San Francisco by reviewing the USDA zone info.

Planting Calendar for Lotus Vine

Frost tolerance for lotus vine:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since lotus vine do ok in moderate cold you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lotus 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 lotus vine and expect a good harvest is probably September. If you wait any later than that and your lotus vine may not have a chance to grow to maturity. If you are starting your lotus vine indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In San Francisco the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for San Francisco and it can change quite a bit from year to year. Half of the time in San Francisco last frost occurs after January 31 so make sure that you are prepared to cover your lotus vine if you have a late frost.

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.