The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Cedar Rapids can be looked at to estimate when it's a good idea to plant amaranthus.

Planting Calendar for Amaranthus

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

Since amaranthus require warm weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant amaranthus in Cedar Rapids 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. Any later than that and your amaranthus may not have a chance to really do well. You can get started a little bit earlier by starting your amaranthus indoors.

Last Frost Date

The average date of last frost is April 15 in Cedar Rapids. You can expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Cedar Rapids is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Cedar Rapids there is a last frost after April 15 be ready to cover your amaranthus if you have one of those late frosts.

USDA Zone Info for Cedar Rapids

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 Cedar Rapids

You may be interested in your other planting guides for Cedar Rapids.