Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when you can plant radishes by looking at the USDA zone info for Oakland.

Planting Calendar for Radishes

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

Radishes are very cold tolerant which means that you can plant them much earlier than other frost tender plants.

The earliest that you can plant radishes in Oakland 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. If you wait any later than that and your radishes may not have a chance to really do well. You can get started a couple of weeks earlier by starting your radishes indoors.

Last Frost Date

The average date of last frost is January 31 in Oakland. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Oakland and it changes from year to year. Since half of the time in Oakland last frost occurs after January 31 be ready to protect your radishes if you have a late frost.

USDA Zone Info for Oakland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Oakland

You may be interested in your other planting guides for Oakland.