When to Plant Black radish in Westchester, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant black radish in Westchester should be estimated by checking out 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.

You can plant black radish a little bit earlier in the year because they do well in moderate 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 Westchester 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. If you wait any later than that and your black radish may not have a chance to fully mature. 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 when the weather gets warmer is on April 15 in Westchester. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Westchester may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Westchester it frosts late in the year after April 15 be ready to protect your black radish if you have one of those late frosts.

USDA Zone Info for Westchester

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 Westchester

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