The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant veronica in Berlin should be figured out by looking at the USDA zone info.

Planting Calendar for Veronica

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

Veronica do ok in moderate cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

On average the last frost has passed is on May 15 in Berlin. You should expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that USDA zone info for Berlin may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Berlin you get a frost after May 15 be ready to cover your veronica if you have 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.