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.

You can determine when it's the best time to plant calliopsis in Palm Desert by looking at the USDA zone info.

Planting Calendar for Calliopsis

Frost tolerance for calliopsis:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since calliopsis require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

On average all chance of frost has passed is on February 15 in Palm Desert. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Palm Desert may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Palm Desert you get surprised by a frost after February 15 so just be sure to be ready to cover your calliopsis in the event of one of those late frosts.

USDA Zone Info for Palm Desert

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 Desert

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