The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when to plant chamomile by referring to the USDA zone info for Rio Grande City.

Planting Calendar for Chamomile

Frost tolerance for chamomile:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Chamomile do well in moderate cold which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant chamomile 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 chamomile and expect a good harvest is probably October. Any later than that and your chamomile may not have a chance to fully mature. If you are starting your chamomile indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Rio Grande City. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Rio Grande City is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Rio Grande City last frost occurs after February 15 so just be sure to be ready to protect your chamomile 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 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.