The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Clay you can figure out when it's a good idea to plant twinspur by reviewing the USDA zone info.

Planting Calendar for Twinspur

Frost tolerance for twinspur:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Twinspur are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant twinspur 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 twinspur and expect a good harvest is probably September. If you wait any later than that and your twinspur may not have a chance to really do well. You can get started a couple of weeks earlier by starting your twinspur indoors.

Last Frost Date

In Clay the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Clay is an average and the actual date of last frost is different every year. Half of the time in Clay you get a frost after April 15 so make sure that you are ready to protect your twinspur if you have a surprise late frost.

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.