One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant lantana is to check out the USDA zone info for New Castle.

Planting Calendar for Lantana

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

Since lantana are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant lantana in New Castle 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 grow to maturity. You can get started a few weeks earlier by starting your lantana indoors.

Last Frost Date

The average date of last frost is April 15 in New Castle. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for New Castle is an average and the actual date of last frost is different every year. Half of the time in New Castle there is a last frost after April 15 so be sure to be ready to protect your lantana if you have a late frost.

USDA Zone Info for New Castle

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 New Castle

You may be interested in your other planting guides for New Castle.