Before planting it is a good idea to find your USDA Zone info to estimate 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.

One way of getting a good idea when it's a good idea to plant twinspur is to examine the USDA zone info for Benson.

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 a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant twinspur in Benson 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. You probably don't want to wait any later than that or else your twinspur may not have a chance to fully mature. Starting your twinspur indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Benson. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Benson is an average the actual date of last frost will vary from year to year. Half of the time in Benson you get surprised by a frost after March 15 so always be ready to protect your twinspur in the event of one of those late frosts.

USDA Zone Info for Benson

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 Benson

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