When can I plant Black radish in Zone 8b

One of the first steps we take when we are getting a good idea our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The first chance to plant black radish in Zone 8b can be estimated by checking out 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.

Since black radish do well in moderate cold you can plant them a little earlier in the year 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 8b 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. You probably don't want to wait any later than that or else your black radish may not have a chance to really do well. You can get started a couple of weeks earlier by starting your black radish indoors.

Last Frost Date

In Zone 8b the average date of last frost happens on March 15. We can expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 8b is not always accurate and our actual date of last frost changes from year to year. Since half of the time in Zone 8b it frosts late in the year after March 15 be ready to cover your black radish in the event of one of those late frosts.

USDA Zone Info for Zone 8b

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Zone 8b

You may be interested in our other planting guides for Zone 8b.