When to Plant Twinspur in De Witt, IA

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

In De Witt you can determine when it's a good idea to plant twinspur by referring to 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.

Since twinspur do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant twinspur
Possibly ok, but a risky time to plant twinspur
Probably not a good time to plant twinspur

The earliest that you can plant twinspur in De Witt 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 grow to maturity. Starting your twinspur indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in De Witt. In the coldest months of winter you can expect an average low temperature of -20°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for De Witt and it can change quite a bit from year to year. Half of the time in De Witt there is a last frost after April 15 so be sure to be ready to protect your twinspur in the event of one of those late frosts.

USDA Zone Info for De Witt

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 De Witt

You may be interested in your other planting guides for De Witt.