One of the first steps you take when you are determining your gardening schedule is find your 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 Hannibal can be figured out by looking at the USDA zone info.

Planting Calendar for Cuphea

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

Cuphea are not cold tolerant which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant cuphea in Hannibal 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 grow to maturity. You can get started a little bit earlier by starting your cuphea indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Hannibal is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hannibal last frost occurs after April 15 be ready to protect your cuphea in the event of a late frost.

USDA Zone Info for Hannibal

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 Hannibal

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