Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Center you can estimate when it's a good idea to plant twinspur by using 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.

You can plant twinspur just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant twinspur in Center 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. Any later than that and your twinspur may not have a chance to fully mature. If you are starting your twinspur indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Center is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Center you get a frost after March 15 so make sure that you are prepared to protect your twinspur if you have a surprise late frost.

USDA Zone Info for Center

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 Center

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