One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Palm Desert should be reffered to in order to determine when you can plant radishes.

Planting Calendar for Radishes

Frost tolerance for radishes:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Radishes do well in a bit of cold which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant radishes 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 radishes and expect a good harvest is probably October. Any later than that and your radishes may not have a chance to grow to maturity. Starting your radishes indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Palm Desert. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Palm Desert is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Palm Desert you get a frost after February 15 so make sure that you are ready to protect your radishes if you have 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.