One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's a good idea to plant black radish by looking at the USDA zone info for Los Alamitos.

Planting Calendar for Black radish

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

Since black radish do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

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

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Los Alamitos. You should expect an average low temperature of 35°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Los Alamitos and it can change quite a bit from year to year. Since half of the time in Los Alamitos you get a frost after January 31 be ready to cover your black radish in the event of a surprise late frost.

USDA Zone Info for Los Alamitos

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Los Alamitos

You may be interested in your other planting guides for Los Alamitos.