One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when it's possible to plant millet by referring to the USDA zone info for Grass Valley.

Planting Calendar for Millet

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

You should not plant millet until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant millet in Grass Valley is March. However, you really should wait until April 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 really do well. Starting your millet indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Grass Valley. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Grass Valley is just an average and the actual date of last frost is different every year. Since half of the time in Grass Valley it frosts late in the year after February 15 be ready to cover your millet in the event of a surprise late frost.

USDA Zone Info for Grass Valley

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Grass Valley

You may be interested in your other planting guides for Grass Valley.