The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant lantana in Billings should be estimated by checking out the USDA zone info.

Planting Calendar for Lantana

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

Lantana do not do well in cold weather which tells us that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant lantana in Billings is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your lantana may not have a chance to fully mature. Starting your lantana indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Billings. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Billings is not always accurate the actual date of last frost changes from year to year. Since half of the time in Billings last frost occurs after May 15 be ready to cover your lantana in the event of one of those late frosts.

USDA Zone Info for Billings

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Billings

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