One of the first steps you take when you are determining your gardening schedule is find your 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.

A common way of estimating when it's possible to plant amaranthus is to look at the USDA zone info for Greenbelt.

Planting Calendar for Amaranthus

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

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

The earliest that you can plant amaranthus in Greenbelt 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. If you wait any later than that and your amaranthus may not have a chance to fully mature. You can get started a few weeks earlier by starting your amaranthus indoors.

Last Frost Date

The average date of last frost is April 15 in Greenbelt. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Greenbelt is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Greenbelt it frosts late in the year after April 15 be ready to protect your amaranthus in the event of one of those late frosts.

USDA Zone Info for Greenbelt

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Greenbelt

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