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

By looking at the USDA zone info for Rancho Mirage it's a good idea to determine when it's a good idea to plant salpiglossis.

Planting Calendar for Salpiglossis

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

It's probably a bad idea to plant salpiglossis until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant salpiglossis in Rancho Mirage 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 salpiglossis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your salpiglossis may not have a chance to really do well. You can get started a few weeks earlier by starting your salpiglossis indoors.

Last Frost Date

In Rancho Mirage the average date of last frost happens on February 15. 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 Rancho Mirage is an average and the actual date of last frost can change quite a bit 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 cover your salpiglossis in the event of a surprise late frost.

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.