One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The best time to plant morning glory in Potsdam can be estimated by checking out the USDA zone info.

Planting Calendar for Morning Glory

Frost tolerance for morning glory:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since morning glory do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant morning glory 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 morning glory and expect a good harvest is probably August. Any later than that and your morning glory may not have a chance to grow to maturity. Starting your morning glory indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Potsdam is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Potsdam last frost occurs after May 15 so just be sure to be ready to cover your morning glory if you have 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.