One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

In Arlington Heights you can estimate when it's a good idea to plant alternanthera by checking out the USDA zone info.

Planting Calendar for Alternanthera

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

Since alternanthera require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant alternanthera in Arlington 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 alternanthera and expect a good harvest is probably August. If you wait any later than that and your alternanthera may not have a chance to really do well. You can get started a couple of weeks earlier by starting your alternanthera indoors.

Last Frost Date

On average the last frost is on April 15 in Arlington Heights. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Arlington Heights is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Arlington Heights you get surprised by a frost after April 15 be ready to cover your alternanthera in the event of a late frost.

USDA Zone Info for Arlington 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 Arlington Heights

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