Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant gayfeather in Berlin should be determined by looking at the USDA zone info.

Planting Calendar for Gayfeather

Frost tolerance for gayfeather:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant gayfeather much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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

Last Frost Date

In Berlin the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Berlin is not always accurate and the actual date of last frost changes from year to year. Half of the time in Berlin it frosts late in the year after May 15 so always be ready to cover your gayfeather in the event of a 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.