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 Diamond Bar you can determine when it's a good idea to plant millet by referring to 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.

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

The earliest that you can plant millet in Diamond Bar 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Diamond Bar. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Diamond Bar may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Diamond Bar it frosts late in the year after January 31 be ready to protect your millet in the event of one of those late frosts.

USDA Zone Info for Diamond Bar

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 Diamond Bar

You may be interested in your other planting guides for Diamond Bar.