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.

In Rancho Mirage you can estimate when to plant fountain grass by looking at the USDA zone info.

Planting Calendar for Fountain Grass

Frost tolerance for fountain grass:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Fountain Grass tend to make it in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant fountain grass in Rancho Mirage is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant fountain grass and expect a good harvest is probably September. Any later than that and your fountain grass may not have a chance to fully mature. If you are starting your fountain grass indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Rancho Mirage. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Rancho Mirage 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 Rancho Mirage it frosts late in the year after February 15 so just be sure to be ready to protect your fountain grass if you have one of those late frosts.

USDA Zone Info for Rancho Mirage

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 Rancho Mirage

You may be interested in your other planting guides for Rancho Mirage.