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.

A way of figuring out when to plant corn is to examine the USDA zone info for Newark.

Planting Calendar for Corn

Frost tolerance for corn:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Corn are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant corn in Newark 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. You probably don't want to wait any later than that or else your corn may not have a chance to grow to maturity. Starting your corn 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 January 31 in Newark. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Newark is an average the actual date of last frost is different every year. Half of the time in Newark you get surprised by a frost after January 31 so make sure that you are prepared to protect your corn in the event of one of those late frosts.

USDA Zone Info for Newark

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 Newark

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