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

The earliest that you can plant amaranthus in Warrenville should be figured out by checking out the USDA zone info.

Planting Calendar for Amaranthus

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

Since amaranthus are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant amaranthus in Warrenville 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. You can get started a couple of weeks earlier by starting your amaranthus indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Warrenville. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Warrenville is just an average and the actual date of last frost will vary from year to year. Since half of the time in Warrenville there is a last frost after April 15 be ready to protect your amaranthus if you have a late frost.

USDA Zone Info for Warrenville

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 Warrenville

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