One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when you can plant lantana in Port Arthur by referring to the USDA zone info.

Planting Calendar for Lantana

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

Lantana are not cold tolerant which tells us that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant lantana in Port Arthur is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant lantana and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lantana may not have a chance to really do well. If you are starting your lantana indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Port Arthur. You can expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Port Arthur and it is different every year. Half of the time in Port Arthur there is a last frost after February 15 so just be sure to be ready to cover your lantana in the event of one of those late frosts.

USDA Zone Info for Port Arthur

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Port Arthur

You may be interested in your other planting guides for Port Arthur.