The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Celina should be used to figure out when to plant black radish.

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 earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant black radish in Celina 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 really do well. You can get started a couple of weeks earlier by starting your black radish indoors.

Last Frost Date

In Celina the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Celina may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Celina there is a last frost after April 15 so make sure that you are prepared to cover your black radish in the event of a surprise late frost.

USDA Zone Info for Celina

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 Celina

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