The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when to plant millet is to use the USDA zone info for Suisun City.

Planting Calendar for Millet

Frost tolerance for millet:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant millet until after all chance of frost has passed because they require warm weather.

The earliest that you can plant millet in Suisun City 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. Any later than that and your millet may not have a chance to really do well. You can get started a few weeks earlier by starting your millet indoors.

Last Frost Date

The average date of last frost is February 15 in Suisun City. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Suisun City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Suisun City there is a last frost after February 15 so make sure that you are ready to cover your millet in the event of a late frost.

USDA Zone Info for Suisun City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Suisun City

You may be interested in your other planting guides for Suisun City.