When to Plant Cuphea in Grayslake, IL

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

You can determine when you can plant cuphea in Grayslake by checking out the USDA zone info.


Planting Calendar for Cuphea

Frost tolerance for cuphea: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since cuphea require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

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

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

Last Frost Date

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

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Grayslake and it can change quite a bit from year to year. Half of the time in Grayslake there is a last frost after April 15 so be sure to be ready to protect your cuphea if you have a late frost.

USDA Zone Info for Grayslake

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 Grayslake

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