One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant amaranthus in Rathdrum can be figured out by looking at the USDA zone info.

Planting Calendar for Amaranthus

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

It's a bad idea to plant amaranthus until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant amaranthus in Rathdrum 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. Starting your amaranthus indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Rathdrum is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Rathdrum you get surprised by a frost after April 15 so be sure to be ready to cover your amaranthus in the event of one of those late frosts.

USDA Zone Info for Rathdrum

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 Rathdrum

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