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.

You can estimate when it's the best time to plant fanflower in Rio Grande City by referring to the USDA zone info.

Planting Calendar for Fanflower

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

Fanflower do not do well in cold weather which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant fanflower 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 fanflower and expect a good harvest is probably September. Any later than that and your fanflower may not have a chance to fully mature. Starting your fanflower indoors is a great way to get them started a few 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.

Remember 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 changes from year to year. Since half of the time in Rio Grande City there is a last frost after February 15 be ready to cover your fanflower 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.