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.

The earliest that you can plant amaranthus in Glendale Heights can be estimated by using the USDA zone info.

Planting Calendar for Amaranthus

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

It's a bad idea to plant amaranthus until after the last frost because they require warm weather.

The earliest that you can plant amaranthus in Glendale Heights 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. You probably don't want to wait any later than that or else your amaranthus may not have a chance to grow to maturity. If you are starting your amaranthus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Glendale Heights is not always accurate the actual date of last frost will vary from year to year. Half of the time in Glendale Heights you get surprised by a frost after April 15 so be sure to be ready to protect your amaranthus in the event of a late frost.

USDA Zone Info for Glendale Heights

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Glendale Heights

You may be interested in your other planting guides for Glendale Heights.