One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Irvine you can estimate when to plant millet 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 when the weather gets warmer.

Since millet do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant millet in Irvine 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 fully mature. 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

In Irvine the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Irvine is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Irvine it frosts late in the year after January 31 be ready to cover your millet in the event of a late frost.

USDA Zone Info for Irvine

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 Irvine

You may be interested in your other planting guides for Irvine.