Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Rio Grande City it's possible to figure out when it's the best time to plant pampas grass.

Planting Calendar for Pampas Grass

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

It's not a good idea to plant pampas grass until after all chance of frost has passed because they require warm weather.

The earliest that you can plant pampas grass 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 pampas grass and expect a good harvest is probably September. If you wait any later than that and your pampas grass may not have a chance to really do well. Starting your pampas grass indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Rio Grande City. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Rio Grande City and it will vary from year to year. Half of the time in Rio Grande City you get surprised by a frost after February 15 so make sure that you are prepared to protect your pampas grass in the event of one of those late frosts.

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 Low	25°F
Highest Expected Low	30°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.