One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Glenolden it's possible to estimate when it's a good idea 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.

Corn salad do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant corn salad in Glenolden is April. However, you really should wait until May 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 August. If you wait any later than that and your corn salad may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your corn salad indoors.

Last Frost Date

The average date of last frost is April 15 in Glenolden. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Glenolden is an average and the actual date of last frost will vary from year to year. Since half of the time in Glenolden it frosts late in the year after April 15 be ready to cover your corn salad in the event of a surprise late frost.

USDA Zone Info for Glenolden

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Glenolden

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