When to Plant Black radish in Barrington, IL

One of the first steps you take when you are making a decision about 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.

The best time to plant black radish in Barrington should be figured out by referring to the USDA zone info.

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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 do ok in moderate cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant black radish
Possibly ok, but a risky time to plant black radish
Probably not a good time to plant black radish

The earliest that you can plant black radish in Barrington 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. You probably don't want to wait any later than that or else your black radish may not have a chance to fully mature. You can get started a little bit earlier by starting your black radish indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Barrington. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Barrington is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Barrington there is a last frost after April 15 be ready to cover your black radish in the event of one of those late frosts.

USDA Zone Info for Barrington

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 Barrington

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