Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Hornell it's possible to figure out 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.

Flowering Kale 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 flowering kale in Hornell 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 really do well. You can get started a couple of weeks earlier by starting your flowering kale indoors.

Last Frost Date

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

Since the USDA zone info for Hornell is an average the actual date of last frost is different every year. Since half of the time in Hornell there is a last frost after April 15 be ready to cover your flowering kale in the event of a surprise late frost.

USDA Zone Info for Hornell

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Hornell

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