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When to Plant Alternanthera in Peoria Heights, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's a good idea to plant alternanthera is to use the USDA zone info for Peoria Heights.


Planting Calendar for Alternanthera

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

Alternanthera are not cold tolerant which means that it's necessary to wait until it warms up 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 Peoria 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 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

In Peoria Heights the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Peoria Heights and it will vary from year to year. Half of the time in Peoria Heights last frost occurs after April 15 so make sure that you are ready to cover your alternanthera in the event of a surprise late frost.

USDA Zone Info for Peoria 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 Peoria Heights

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