One of the best tools that you have as gardeners to help us estimate 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.

In South San Francisco you can determine when it's possible to plant red hot pokers by checking out the USDA zone info.

Planting Calendar for Red Hot Pokers

Frost tolerance for red hot pokers:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since red hot pokers are one of those plants that can tolerate quite a bit of cold weather you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant red hot pokers 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 red hot pokers and expect a good harvest is probably October. If you wait any later than that and your red hot pokers may not have a chance to fully mature. You can get started a little bit earlier by starting your red hot pokers indoors.

Last Frost Date

The average date of last frost is January 31 in South San Francisco. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for South San Francisco is an average the actual date of last frost is different every year. Since half of the time in South San Francisco last frost occurs after January 31 be ready to cover your red hot pokers 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.