One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

One way of getting a good idea when you can plant cuphea is to consult the USDA zone info for Kewanee.

Planting Calendar for Cuphea

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

Since cuphea require warm weather you must wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

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

Since the USDA zone info for Kewanee is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Kewanee last frost occurs after April 15 be ready to protect your cuphea in the event of a surprise late frost.

USDA Zone Info for Kewanee

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 Kewanee

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