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

It's possible to determine when it's a good idea to plant black radish by using the USDA zone info for Red Lion.

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 tend to make it in mild cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant black radish in Red Lion 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 grow to maturity. You can get started a couple of weeks earlier by starting your black radish indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Red Lion. In the coldest months of winter you should expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Red Lion may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Red Lion you get surprised by a frost after April 15 be ready to cover your black radish in the event of one of those late frosts.

USDA Zone Info for Red Lion

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Red Lion

You may be interested in your other planting guides for Red Lion.