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.

You should be able to estimate when it's possible to plant cuphea by using the USDA zone info for Lima.

Planting Calendar for Cuphea

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

You really shouldn't plant cuphea until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant cuphea in Lima 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. Any later than that and your cuphea may not have a chance to grow to maturity. Starting your cuphea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Lima the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Lima is not always accurate and the actual date of last frost is different every year. Since half of the time in Lima you get a frost after April 15 be ready to cover your cuphea in the event of a surprise late frost.

USDA Zone Info for Lima

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Lima

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