The USDA Zone info is a great tool for gardeners to help us estimate 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.

You should be able to determine when it's possible to plant millet by using the USDA zone info for Clay.

Planting Calendar for Millet

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

Since millet require warm weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant millet in Clay is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant millet and expect a good harvest is probably August. If you wait any later than that and your millet may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your millet indoors.

Last Frost Date

The average date of last frost is April 15 in Clay. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Clay is an average the actual date of last frost will vary from year to year. Half of the time in Clay you get a frost after April 15 so just be sure to be ready to cover your millet if you have a surprise late frost.

USDA Zone Info for Clay

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Clay

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