Before planting it is a good idea to find your USDA Zone info to determine 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.

The earliest that you can plant radishes in Shenandoah should be determined by checking out the USDA zone info.

Planting Calendar for Radishes

Frost tolerance for radishes:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Radishes can survive in quite a bit of cold which means that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant radishes in Shenandoah 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 grow to maturity. Starting your radishes indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Shenandoah the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Shenandoah is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Shenandoah it frosts late in the year after April 15 be ready to cover your radishes if you have a late frost.

USDA Zone Info for Shenandoah

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Shenandoah

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