One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Groton can be reviewed to estimate when it's possible to plant lantana.

Planting Calendar for Lantana

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

Since lantana do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant lantana in Groton 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. You probably don't want to wait any later than that or else your lantana may not have a chance to really do well. You can get started a couple of weeks earlier by starting your lantana indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Groton. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Groton may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Groton there is a last frost after April 15 so make sure that you are ready to protect your lantana in the event of one of those late frosts.

USDA Zone Info for Groton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Groton

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