One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Sioux Center can be looked at to figure out when it's a good idea to plant brachycome.

Planting Calendar for Brachycome

Frost tolerance for brachycome:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's not a good idea to plant brachycome until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant brachycome in Sioux Center is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant brachycome and expect a good harvest is probably August. Any later than that and your brachycome may not have a chance to really do well. You can get started a couple of weeks earlier by starting your brachycome indoors.

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.

Since the USDA zone info for Sioux Center is just an average the actual date of last frost changes from year to year. Since half of the time in Sioux Center last frost occurs after April 15 be ready to protect your brachycome if you have 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.