The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for La Verne should be looked at to determine when you can plant sweet corn.

Planting Calendar for Sweet corn

Frost tolerance for sweet corn:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweet corn do ok in moderate cold which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant sweet corn in La Verne 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 sweet corn and expect a good harvest is probably September. Any later than that and your sweet corn may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sweet corn indoors.

Last Frost Date

In La Verne the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for La Verne is an average and the actual date of last frost changes from year to year. Half of the time in La Verne you get surprised by a frost after February 15 so make sure that you are prepared to protect your sweet corn in the event of a late frost.

USDA Zone Info for La Verne

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 La Verne

You may be interested in your other planting guides for La Verne.