One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant flowering kale in Circleville should be estimated by referring to the USDA zone info.

Planting Calendar for Flowering Kale

Frost tolerance for flowering kale:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Flowering Kale do ok in a little bit of cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant flowering kale in Circleville 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 flowering kale and expect a good harvest is probably September. You probably don't want to wait any later than that or else your flowering kale may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your flowering kale indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Circleville. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Circleville is just an average and the actual date of last frost will vary from year to year. Half of the time in Circleville there is a last frost after April 15 so make sure that you are ready to cover your flowering kale in the event of a late frost.

USDA Zone Info for Circleville

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 Circleville

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