Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when you can plant mecardonia in Potsdam by referring to the USDA zone info.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since mecardonia do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant mecardonia 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 mecardonia and expect a good harvest is probably August. Any later than that and your mecardonia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your mecardonia indoors.

Last Frost Date

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

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Potsdam and it will vary from year to year. Half of the time in Potsdam you get a frost after May 15 so make sure that you are ready to protect your mecardonia if you have a late frost.

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.