The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant fiber optic grass by looking at the USDA zone info for Rio Grande City.

Planting Calendar for Fiber Optic Grass

Frost tolerance for fiber optic grass:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Fiber Optic Grass require warm weather which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant fiber optic 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 fiber optic grass and expect a good harvest is probably September. You probably don't want to wait any later than that or else your fiber optic grass may not have a chance to fully mature. You can get started a few weeks earlier by starting your fiber optic grass 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.

Since the USDA zone info for Rio Grande City may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Rio Grande City last frost occurs after February 15 so be sure to be ready to protect your fiber optic grass in the event of a 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 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.