One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

In Oroville you can figure out 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 are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant millet in Oroville 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. Any later than that and your millet may not have a chance to grow to maturity. Starting your millet indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Oroville. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Oroville is just an average the actual date of last frost changes from year to year. Since half of the time in Oroville there is a last frost after February 15 be ready to protect your millet if you have a surprise late frost.

USDA Zone Info for Oroville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Oroville

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