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

By referring to the USDA zone info for Rancho Cordova it's possible to estimate 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 quite a bit of cold which means that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant radishes in Rancho Cordova 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. You probably don't want to wait any later than that or else your radishes may not have a chance to really do well. You can get started a little bit earlier by starting your radishes indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Rancho Cordova. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Rancho Cordova and it is different every year. Since half of the time in Rancho Cordova it frosts late in the year after February 15 be ready to cover your radishes in the event of a surprise late frost.

USDA Zone Info for Rancho Cordova

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 Cordova

You may be interested in your other planting guides for Rancho Cordova.