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.

A way of determining when it's the best time to plant corn salad is to refer to the USDA zone info for London.

Planting Calendar for Corn salad

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

It's probably not a good idea to plant corn salad until after the last frost because they require warm weather.

The earliest that you can plant corn salad in London 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 really do well. 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 London. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for London is not always accurate and the actual date of last frost changes from year to year. Since half of the time in London last frost occurs after April 15 be ready to cover your corn salad in the event of a surprise late frost.

USDA Zone Info for London

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in London

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