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.

By referring to the USDA zone info for Adel it's a good idea to determine when you can plant twinspur.

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 Adel 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. You can get started a few weeks earlier by starting your twinspur indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Adel. It might get as low as -20°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Adel and it changes from year to year. Half of the time in Adel you get a frost after April 15 so be sure to be ready to protect your twinspur if you have a surprise late frost.

USDA Zone Info for Adel

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Adel

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