Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Upland you can figure out when to plant corn salad by reviewing the USDA zone info.

Planting Calendar for Corn salad

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

You should not plant corn salad until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant corn salad in Upland 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 salad and expect a good harvest is probably September. If you wait any later than that and your corn salad may not have a chance to fully mature. Starting your corn salad indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Upland the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Upland is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Upland it frosts late in the year after January 31 be ready to protect your corn salad if you have a late frost.

USDA Zone Info for Upland

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 Upland

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