Before planting it is a good idea to find your USDA Zone info to figure out 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 first chance to plant black radish in Waite Park can be determined by referring to the USDA zone info.

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 are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant black radish in Waite Park is March. However, you really should wait until April 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 August. If you wait any later than that and your black radish may not have a chance to really do well. Starting your black radish indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Waite Park. In the coldest months of winter you should expect an average low temperature of -30°F.

Remember that USDA zone info for Waite Park is just an average and the actual date of last frost is different every year. Half of the time in Waite Park there is a last frost after May 15 so always be ready to protect your black radish if you have one of those late frosts.

USDA Zone Info for Waite Park

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Waite Park

You may be interested in your other planting guides for Waite Park.