One of the best tools that you have as gardeners to help us figure out 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.

A way of figuring out when it's possible to plant lantana is to consult the USDA zone info for Harvard.

Planting Calendar for Lantana

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

Since lantana do not do well in cold weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant lantana in Harvard 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 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 is on April 15 in Harvard. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Harvard may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Harvard last frost occurs after April 15 be ready to cover your lantana if you have one of those late frosts.

USDA Zone Info for Harvard

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Harvard

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