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.

A common way of getting a good idea when it's the best time to plant amaranthus is to use the USDA zone info for Malden.

Planting Calendar for Amaranthus

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

It's a bad idea to plant amaranthus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant amaranthus in Malden 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. Starting your amaranthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Malden. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Malden may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Malden it frosts late in the year after April 15 so make sure that you are prepared to protect your amaranthus if you have a late frost.

USDA Zone Info for Malden

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Malden

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