One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when to plant amaranthus is to refer to the USDA zone info for Chadron.

Planting Calendar for Amaranthus

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

You really shouldn't plant amaranthus until after the last frost because they require warm weather.

The earliest that you can plant amaranthus in Chadron 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. If you are starting your amaranthus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Chadron. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Chadron may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Chadron there is a last frost after April 15 be ready to protect your amaranthus in the event of a late frost.

USDA Zone Info for Chadron

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 Chadron

You may be interested in your other planting guides for Chadron.