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 getting a good idea when it's possible to plant kale is to look at the USDA zone info for Newton.

Planting Calendar for Kale

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

You can plant kale just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant kale in Newton 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 kale and expect a good harvest is probably September. Any later than that and your kale may not have a chance to really do well. You can get started a few weeks earlier by starting your kale indoors.

Last Frost Date

The average date of last frost is April 15 in Newton. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Newton is an average and the actual date of last frost is different every year. Half of the time in Newton you get surprised by a frost after April 15 so be sure to be ready to protect your kale if you have one of those late frosts.

USDA Zone Info for Newton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Newton

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