One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 you can plant chives in Rio Grande City by referring to the USDA zone info.

Planting Calendar for Chives

Frost tolerance for chives:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant chives much earlier in the year because they do well in cold.

The earliest that you can plant chives in Rio Grande City is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant chives and expect a good harvest is probably October. If you wait any later than that and your chives may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your chives indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Rio Grande City may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Rio Grande City you get a frost after February 15 so be sure to be ready to cover your chives if you have 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.