One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Potsdam should be reffered to in order to figure out when to plant decorative kale.

Planting Calendar for Decorative Kale

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

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

The earliest that you can plant decorative kale in Potsdam 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 decorative kale and expect a good harvest is probably August. If you wait any later than that and your decorative kale may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your decorative kale indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Potsdam. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Potsdam is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Potsdam there is a last frost after May 15 so make sure that you are ready to protect your decorative kale in the event of one of those late frosts.

USDA Zone Info for Potsdam

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 Potsdam

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