The USDA Zone info is a great tool for gardeners to help us determine 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.

You can determine when it's the best time to plant amaranthus in Sioux Center by reviewing the USDA zone info.

Planting Calendar for Amaranthus

Frost tolerance for amaranthus:	Not tolerant of frost.
When to plant:	After the last frost.

Since amaranthus do not do well in cold weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant amaranthus 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 amaranthus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your amaranthus may not have a chance to really do well. You can get started a few weeks earlier by starting your amaranthus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Sioux Center. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Sioux Center may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Sioux Center you get surprised by a frost after April 15 be ready to cover your amaranthus in the event of a late frost.

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.