One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 Gridley should be used to determine when it's possible to plant corn salad.

Planting Calendar for Corn salad

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

Since corn salad are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant corn salad in Gridley 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 salad and expect a good harvest is probably September. You probably don't want to wait any later than that or else your corn salad may not have a chance to really do well. You can get started a couple of weeks earlier by starting your corn salad indoors.

Last Frost Date

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

Since the USDA zone info for Gridley is not always accurate the actual date of last frost changes from year to year. Half of the time in Gridley you get surprised by a frost after February 15 so just be sure to be ready to protect your corn salad in the event of one of those late frosts.

USDA Zone Info for Gridley

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 Gridley

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