The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Bensenville you can estimate when it's possible to plant black radish 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.

Since black radish do well in moderate cold you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant black radish in Bensenville 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 black radish and expect a good harvest is probably September. Any later than that and your black radish may not have a chance to really do well. You can get started a little bit earlier by starting your black radish indoors.

Last Frost Date

On average the last frost is on April 15 in Bensenville. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Bensenville is an average the actual date of last frost is different every year. Since half of the time in Bensenville you get surprised by a frost after April 15 be ready to cover your black radish if you have one of those late frosts.

USDA Zone Info for Bensenville

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 Bensenville

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