Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Thatcher you can determine when to plant twinspur by checking out 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 tend to make it in moderate cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant twinspur in Thatcher 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 grow to maturity. 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 Thatcher 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.

Keep in mind that USDA zone info for Thatcher is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Thatcher you get a frost after March 15 be ready to cover your twinspur if you have a late frost.

USDA Zone Info for Thatcher

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 Thatcher

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