The USDA Zone info is a great tool for gardeners to help us estimate 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 Sylvania should be reviewed to estimate when to plant flowering kale.

Planting Calendar for Flowering Kale

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

You can plant flowering kale a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant flowering kale in Sylvania 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 fully mature. You can get started a couple of weeks earlier by starting your flowering kale indoors.

Last Frost Date

The average date of last frost is April 15 in Sylvania. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Sylvania may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Sylvania last frost occurs after April 15 so just be sure to be ready to cover your flowering kale in the event of a surprise late frost.

USDA Zone Info for Sylvania

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 Sylvania

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