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

The earliest that you can plant radishes in Valley Center can be estimated by checking out the USDA zone info.

Planting Calendar for Radishes

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

Radishes do ok in cold weather 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 Valley Center is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant radishes and expect a good harvest is probably September. If you wait any later than that and your radishes may not have a chance to really do well. You can get started a few weeks earlier by starting your radishes indoors.

Last Frost Date

The average date of last frost is April 15 in Valley Center. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Valley Center is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Valley Center it frosts late in the year after April 15 be ready to cover your radishes if you have a surprise late frost.

USDA Zone Info for Valley Center

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Valley Center

You may be interested in your other planting guides for Valley Center.