One of the best tools that you have as gardeners to help us figure out 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.

You can figure out when it's a good idea to plant corn in Mill Valley by checking out the USDA zone info.

Planting Calendar for Corn

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

Since corn require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant corn in Mill Valley 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 corn and expect a good harvest is probably September. If you wait any later than that and your corn may not have a chance to really do well. You can get started a little bit earlier by starting your corn indoors.

Last Frost Date

The average date of last frost is January 31 in Mill Valley. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Mill Valley is not always accurate the actual date of last frost is different every year. Since half of the time in Mill Valley last frost occurs after January 31 be ready to protect your corn in the event of one of those late frosts.

USDA Zone Info for Mill Valley

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 Mill Valley

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