When to Plant Black radish in Quakertown, PA

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

It's a good idea to figure out when you can plant black radish by looking at the USDA zone info for Quakertown.


Planting Calendar for Black radish

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

Black radish tend to make it in some cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

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 Quakertown 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 few weeks earlier by starting your black radish indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Quakertown. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Quakertown is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Quakertown you get surprised by a frost after April 15 be ready to cover your black radish in the event of one of those late frosts.

USDA Zone Info for Quakertown

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 Low0°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 Quakertown

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