The USDA Zone info is a great tool for gardeners to help us estimate 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 Palm Springs it's a good idea to determine when you can plant diascia.

Planting Calendar for Diascia

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

You can plant diascia just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant diascia in Palm Springs 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 diascia and expect a good harvest is probably October. Any later than that and your diascia may not have a chance to really do well. Starting your diascia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Palm Springs. It might get as low as 25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Palm Springs and it is different every year. Half of the time in Palm Springs it frosts late in the year after February 15 so be sure to be ready to protect your diascia if you have a late frost.

USDA Zone Info for Palm Springs

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 Palm Springs

You may be interested in your other planting guides for Palm Springs.