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

A common way of making a decision about when you can plant decorative kale is to look at the USDA zone info for Jefferson.

Planting Calendar for Decorative Kale

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

Since decorative kale are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant decorative kale in Jefferson 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 decorative kale and expect a good harvest is probably September. Any later than that and your decorative kale may not have a chance to really do well. Starting your decorative kale indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Jefferson the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that USDA zone info for Jefferson is just an average and the actual date of last frost is different every year. Since half of the time in Jefferson you get a frost after April 15 be ready to cover your decorative kale in the event of one of those late frosts.

USDA Zone Info for Jefferson

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Jefferson

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