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

The USDA zone info for San Diego can be used to determine when 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.

It's not a good idea to plant millet until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant millet in San Diego is March. However, you really should wait until April 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 really do well. Starting your millet indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in San Diego. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for San Diego may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in San Diego you get a frost after February 15 be ready to protect your millet in the event of a surprise late frost.

USDA Zone Info for San Diego

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in San Diego

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