The USDA Zone info is a great tool for gardeners to help us determine 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.

By looking at the USDA zone info for Avon it's possible to estimate when it's a good idea 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 can survive in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant flowering kale in Avon is March. However, you really should wait until April 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 August. Any later than that and your flowering kale may not have a chance to really do well. You can get started a little bit earlier by starting your flowering kale indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Avon. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Avon and it changes from year to year. Half of the time in Avon it frosts late in the year after May 15 so make sure that you are ready to cover your flowering kale if you have a late frost.

USDA Zone Info for Avon

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Avon

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