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.

In Hannibal you can determine when it's a good idea to plant nemesia by checking out the USDA zone info.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant nemesia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant nemesia 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 nemesia and expect a good harvest is probably August. If you wait any later than that and your nemesia may not have a chance to fully mature. You can get started a little bit earlier by starting your nemesia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hannibal. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Hannibal is not always accurate and the actual date of last frost is different every year. Half of the time in Hannibal last frost occurs after April 15 so be sure to be ready to cover your nemesia in the event of a surprise 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.