When to Plant Lantana in Rio Grande City, TX

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's a good idea to plant lantana in Rio Grande City 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 means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lantana
Possibly ok, but a risky time to plant lantana
Probably not a good time to plant lantana

The earliest that you can plant lantana in Rio Grande City 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 grow to maturity. You can get started a little bit earlier by starting your lantana indoors.

Last Frost Date

The average date of last frost is February 15 in Rio Grande City. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Rio Grande City is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Rio Grande City you get surprised by a frost after February 15 be ready to protect your lantana in the event of a surprise late frost.

USDA Zone Info for Rio Grande City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°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 30°F.

Plants to Grow in Rio Grande City

You may be interested in your other planting guides for Rio Grande City.