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 getting a good idea when you can plant amaranthus is to use the USDA zone info for Bristol.

Planting Calendar for Amaranthus

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

Since amaranthus require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant amaranthus in Bristol 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 fully mature. 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 Bristol. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Bristol is just an average the actual date of last frost will vary from year to year. Half of the time in Bristol it frosts late in the year after April 15 so just be sure to be ready to cover your amaranthus if you have a late frost.

USDA Zone Info for Bristol

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bristol

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