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

In Costa Mesa you can determine when it's possible 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 require warm weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant millet in Costa Mesa 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. If you wait any later than that and your millet may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your millet indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Costa Mesa. It might get as low as 35°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Costa Mesa and it will vary from year to year. Since half of the time in Costa Mesa last frost occurs after January 31 be ready to protect your millet if you have a surprise late frost.

USDA Zone Info for Costa Mesa

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 Costa Mesa

You may be interested in your other planting guides for Costa Mesa.