Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Palm Desert can be read to determine when it's the best time to plant erysimum.

Planting Calendar for Erysimum

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

Erysimum can survive in some cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant erysimum in Palm Desert 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 erysimum and expect a good harvest is probably October. If you wait any later than that and your erysimum may not have a chance to fully mature. You can get started a few weeks earlier by starting your erysimum indoors.

Last Frost Date

The average date of last frost is February 15 in Palm Desert. 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 Palm Desert is not always accurate and the actual date of last frost is different every year. Half of the time in Palm Desert it frosts late in the year after February 15 so make sure that you are prepared to cover your erysimum if you have a late frost.

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.