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

By checking out the USDA zone info for Lewisburg you should be able to estimate 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.

Radishes do ok in pretty solid cold 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 Lewisburg 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. You can get started a couple of weeks earlier by starting your radishes indoors.

Last Frost Date

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

Remember that USDA zone info for Lewisburg is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Lewisburg you get surprised by a frost after April 15 be ready to protect your radishes in the event of a late frost.

USDA Zone Info for Lewisburg

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 Lewisburg

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