One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when you can plant radishes is to look at the USDA zone info for Tuscola.

Planting Calendar for Radishes

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

Since radishes are very cold tolerant you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant radishes in Tuscola 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. If you wait any later than that and your radishes may not have a chance to fully mature. You can get started a few weeks earlier by starting your radishes indoors.

Last Frost Date

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

Since the USDA zone info for Tuscola is just an average the actual date of last frost is different every year. Half of the time in Tuscola there is a last frost after April 15 so just be sure to be ready to protect your radishes in the event of a late frost.

USDA Zone Info for Tuscola

Here is the info for USDA Zone 5b.

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

Plants to Grow in Tuscola

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