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When to Plant Tropical Water Plants in River Grove, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for River Grove can be reffered to in order to determine when it's the best time to plant tropical water plants.


Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants: Not tolerant of frost.
When to plant: After the last frost.

Tropical Water Plants are not cold tolerant which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tropical water plants
Possibly ok, but a risky time to plant tropical water plants
Probably not a good time to plant tropical water plants

The earliest that you can plant tropical water plants in River Grove 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 tropical water plants and expect a good harvest is probably August. If you wait any later than that and your tropical water plants may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your tropical water plants indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in River Grove. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for River Grove is an average and the actual date of last frost will vary from year to year. Half of the time in River Grove there is a last frost after April 15 so make sure that you are ready to protect your tropical water plants in the event of one of those late frosts.

USDA Zone Info for River Grove

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 River Grove

You may be interested in your other planting guides for River Grove.