When can I plant Black radish in Zone 7b

Before planting it is a good idea to find our USDA Zone info to figure out our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You can determine when you can plant black radish in Zone 7b by looking at the USDA zone info.


Planting Calendar for Black radish

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

Black radish are moderately cold tolerant which means that you can get them planted earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant black radish
Possibly ok, but a risky time to plant black radish
Probably not a good time to plant black radish

The earliest that you can plant black radish in Zone 7b 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 black radish and expect a good harvest is probably September. If you wait any later than that and your black radish may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your black radish indoors.

Last Frost Date

In Zone 7b the average date of last frost happens on April 15. In the coldest months of winter we should expect an average low temperature of 5°F.

Since the USDA zone info for Zone 7b may not be accurate from year to year our actual date of last frost changes from year to year. Since half of the time in Zone 7b last frost occurs after April 15 be ready to protect your black radish if we have a late frost.

USDA Zone Info for Zone 7b

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in Zone 7b

You may be interested in our other planting guides for Zone 7b.