The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. 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 determining when it's possible to plant amaranthus is to use the USDA zone info for University Place.

Planting Calendar for Amaranthus

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

It's probably a bad idea to plant amaranthus until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant amaranthus in University Place 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 really do well. Starting your amaranthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in University Place. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for University Place is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in University Place last frost occurs after March 15 be ready to cover your amaranthus if you have one of those late frosts.

USDA Zone Info for University Place

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in University Place

You may be interested in your other planting guides for University Place.