One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when you can plant asparagus lettuce is to check out the USDA zone info for Upper Sandusky.

Planting Calendar for Asparagus lettuce

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

Since asparagus lettuce are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Upper Sandusky 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 asparagus lettuce and expect a good harvest is probably August. If you wait any later than that and your asparagus lettuce may not have a chance to grow to maturity. If you are starting your asparagus lettuce indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Upper Sandusky. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Upper Sandusky may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Upper Sandusky you get a frost after April 15 be ready to cover your asparagus lettuce if you have a surprise late frost.

USDA Zone Info for Upper Sandusky

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Upper Sandusky

You may be interested in your other planting guides for Upper Sandusky.