One of the first steps you take when you are figuring out 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.

The best time to plant amaranthus in Las Vegas can be figured out by using 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 all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant amaranthus in Las Vegas 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 grow to maturity. 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 Las Vegas. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Las Vegas is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Las Vegas you get a frost after April 15 so be sure to be ready to protect your amaranthus in the event of a surprise late frost.

USDA Zone Info for Las Vegas

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 Las Vegas

You may be interested in your other planting guides for Las Vegas.