The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's possible to plant asparagus by reviewing the USDA zone info for Clay.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since asparagus are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant asparagus in Clay is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably September. Any later than that and your asparagus may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Clay. In the coldest months of winter you can expect an average low temperature of 5°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Clay and it can change quite a bit from year to year. Half of the time in Clay there is a last frost after April 15 so make sure that you are prepared to cover your asparagus in the event of one of those late frosts.

USDA Zone Info for Clay

Here is the info for USDA Zone 7b.

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

Plants to Grow in Clay

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