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 figure out when to plant lantana by checking out the USDA zone info for Rome.

Planting Calendar for Lantana

Frost tolerance for lantana:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant lantana until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant lantana in Rome 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 lantana and expect a good harvest is probably August. Any later than that and your lantana may not have a chance to really do well. Starting your lantana indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Rome. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Rome is an average the actual date of last frost changes from year to year. Since half of the time in Rome you get a frost after April 15 be ready to protect your lantana in the event of a surprise late frost.

USDA Zone Info for Rome

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rome

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