One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Mount Rainier you should be able to determine when to plant amaranthus.

Planting Calendar for Amaranthus

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

It's probably 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 Mount Rainier 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Mount Rainier. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Mount Rainier is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Mount Rainier 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 Mount Rainier

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 Mount Rainier

You may be interested in your other planting guides for Mount Rainier.