The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant millet in National City can be figured out by looking at the USDA zone info.

Planting Calendar for Millet

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

You really shouldn't plant millet until after all chance of frost has passed because they require warm weather.

The earliest that you can plant millet in National City 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. If you are starting your millet indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in National City. You can expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that USDA zone info for National City may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in National City it frosts late in the year after January 31 so always be ready to protect your millet if you have a surprise late frost.

USDA Zone Info for National City

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 National City

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