The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In New Castle you can estimate when it's possible to plant decorative kale by reviewing the USDA zone info.

Planting Calendar for Decorative Kale

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

Decorative Kale are one of those plants that can tolerate a little bit of cold weather which means that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant decorative kale in New Castle 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 fully mature. Starting your decorative kale indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in New Castle. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for New Castle is an average and the actual date of last frost will vary from year to year. Since half of the time in New Castle there is a last frost after April 15 be ready to cover your decorative kale in the event of a late frost.

USDA Zone Info for New Castle

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 New Castle

You may be interested in your other planting guides for New Castle.