The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Sioux Center it's possible to estimate when to plant bachelor buttons.

Planting Calendar for Bachelor Buttons

Frost tolerance for bachelor buttons:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Bachelor Buttons are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant bachelor buttons in Sioux 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 bachelor buttons and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bachelor buttons may not have a chance to fully mature. Starting your bachelor buttons indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Sioux Center. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Sioux Center is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Sioux Center it frosts late in the year after April 15 be ready to cover your bachelor buttons in the event of one of those late frosts.

USDA Zone Info for Sioux Center

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 Sioux Center

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