One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

By looking at the USDA zone info for Traverse City you should be able to figure out when it's the best time to plant radishes.

Planting Calendar for Radishes

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

Since radishes do well in cold you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant radishes in Traverse City 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 grow to maturity. Starting your radishes indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Traverse City. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Traverse City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Traverse City you get surprised by a frost after April 15 so always be ready to cover your radishes in the event of a surprise late frost.

USDA Zone Info for Traverse City

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 Traverse City

You may be interested in your other planting guides for Traverse City.