One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's the best time to plant kale is to consult the USDA zone info for Berlin.

Planting Calendar for Kale

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

Kale do well in some cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant kale in Berlin 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 kale and expect a good harvest is probably August. You probably don't want to wait any later than that or else your kale may not have a chance to grow to maturity. If you are starting your kale indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Berlin. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Berlin is an average the actual date of last frost is different every year. Since half of the time in Berlin you get surprised by a frost after May 15 be ready to protect your kale in the event of a surprise late frost.

USDA Zone Info for Berlin

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 Berlin

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