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.

You will be able to estimate when to plant black radish by reviewing the USDA zone info for Guntersville.

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 can survive in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant black radish in Guntersville 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 grow to maturity. You can get started a little bit earlier by starting your black radish indoors.

Last Frost Date

The average date of last frost is March 15 in Guntersville. You can expect an average low temperature of 10°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Guntersville and it can change quite a bit from year to year. Half of the time in Guntersville it frosts late in the year after March 15 so be sure to be ready to protect your black radish in the event of a surprise late frost.

USDA Zone Info for Guntersville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Guntersville

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