The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Carmel you will be able to figure out 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.

Since radishes do well in cold you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant radishes in Carmel 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. You probably don't want to wait any later than that or else your radishes may not have a chance to fully mature. Starting your radishes indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Carmel. In the coldest months of winter you should expect an average low temperature of -15°F.

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

USDA Zone Info for Carmel

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Carmel

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