One of the best tools that you have as gardeners to help us figure out 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 best time to plant cuphea in Madison should be determined 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.

You can not plant cuphea until after the last frost has passed because they require warm weather.

The earliest that you can plant cuphea in Madison 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 fully mature. You can get started a couple of weeks earlier by starting your cuphea indoors.

Last Frost Date

The average date of last frost is April 15 in Madison. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Madison is just an average and the actual date of last frost changes from year to year. Since half of the time in Madison you get surprised by a frost after April 15 be ready to cover your cuphea if you have a surprise late frost.

USDA Zone Info for Madison

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 Madison

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