Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for South San Francisco you should be able to estimate when it's a good idea to plant millet.

Planting Calendar for Millet

Frost tolerance for millet:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Millet are not cold tolerant which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant millet in South 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 millet and expect a good harvest is probably September. You probably don't want to wait any later than that or else your millet may not have a chance to grow to maturity. Starting your millet indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in South San Francisco. In the coldest months of winter you should expect an average low temperature of 30°F.

Just be sure to remember that USDA zone info for South San Francisco is not always accurate and the actual date of last frost changes from year to year. Half of the time in South San Francisco there is a last frost after January 31 so make sure that you are prepared to cover your millet in the event of a surprise 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.