One of the first steps you take when you are figuring out 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.

In Potsdam you can determine when it's possible to plant hamelia by looking at the USDA zone info.

Planting Calendar for Hamelia

Frost tolerance for hamelia:	Not tolerant of frost.
When to plant:	After the last frost.

Hamelia require warm weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant hamelia in Potsdam is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant hamelia and expect a good harvest is probably August. If you wait any later than that and your hamelia may not have a chance to really do well. You can get started a few weeks earlier by starting your hamelia indoors.

Last Frost Date

In Potsdam the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Potsdam is an average the actual date of last frost will vary from year to year. Half of the time in Potsdam you get a frost after May 15 so just be sure to be ready to cover your hamelia 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.