Before planting it is a good idea to find your USDA Zone info to determine 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 best time to plant baby blue eyes in Berlin can be estimated by looking at the USDA zone info.

Planting Calendar for Baby Blue Eyes

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

Baby Blue Eyes are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant baby blue eyes 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 baby blue eyes and expect a good harvest is probably August. If you wait any later than that and your baby blue eyes may not have a chance to fully mature. If you are starting your baby blue eyes indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Berlin. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Berlin is not always accurate the actual date of last frost is different every year. Half of the time in Berlin you get surprised by a frost after May 15 so make sure that you are ready to protect your baby blue eyes in the event of one of those late frosts.

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.