When to Plant Alternanthera in Palos Park, IL

The USDA Zone info is a great tool for gardeners to help us determine 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 USDA zone info for Palos Park should be reffered to in order to figure out when it's possible to plant alternanthera.


Planting Calendar for Alternanthera

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

Since alternanthera do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant alternanthera
Possibly ok, but a risky time to plant alternanthera
Probably not a good time to plant alternanthera

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

Last Frost Date

On average the last frost is on April 15 in Palos Park. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Palos Park is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Palos Park last frost occurs after April 15 so just be sure to be ready to cover your alternanthera if you have a late frost.

USDA Zone Info for Palos Park

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 Palos Park

You may be interested in your other planting guides for Palos Park.