One of the best tools that you have as gardeners to help us figure out 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.

It's possible to estimate when it's a good idea to plant corn salad by checking out the USDA zone info for Oregon City.

Planting Calendar for Corn salad

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

It's a bad idea to plant corn salad until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant corn salad in Oregon City 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 grow to maturity. Starting your corn salad indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Oregon City. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Oregon City and it changes from year to year. Half of the time in Oregon City there is a last frost after March 15 so make sure that you are prepared to protect your corn salad in the event of one of those late frosts.

USDA Zone Info for Oregon City

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Oregon City

You may be interested in your other planting guides for Oregon City.