Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Boulder City should be reviewed to determine when it's the best time to plant corn.

Planting Calendar for Corn

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

Corn require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant corn in Boulder City 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 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 fully mature. Starting your corn indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Boulder City the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Boulder City may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Boulder City it frosts late in the year after February 15 so be sure to be ready to protect your corn in the event of a late frost.

USDA Zone Info for Boulder City

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 Boulder City

You may be interested in your other planting guides for Boulder City.