One of the best tools that you have as gardeners to help us estimate 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 first chance to plant snapdragons in Potsdam should be figured out by checking out the USDA zone info.

Planting Calendar for Snapdragons

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

You can plant snapdragons a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant snapdragons in Potsdam 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 snapdragons and expect a good harvest is probably August. You probably don't want to wait any later than that or else your snapdragons may not have a chance to really do well. You can get started a little bit earlier by starting your snapdragons indoors.

Last Frost Date

The average date of last frost is May 15 in Potsdam. You should 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 is different every year. Since half of the time in Potsdam there is a last frost after May 15 be ready to cover your snapdragons in the event of a surprise 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.