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 Rogers can be used to determine when you can plant amaranthus.

Planting Calendar for Amaranthus

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

Since amaranthus are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant amaranthus in Rogers is May. However, you really should wait until June 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. If you wait any later than that and your amaranthus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your amaranthus indoors.

Last Frost Date

The average date of last frost is May 15 in Rogers. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Rogers is just an average the actual date of last frost is different every year. Since half of the time in Rogers last frost occurs after May 15 be ready to cover your amaranthus if you have a late frost.

USDA Zone Info for Rogers

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Rogers

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