The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant maltese cross in Potsdam can be estimated by referring to the USDA zone info.

Planting Calendar for Maltese Cross

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

Maltese Cross do well in moderate cold which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant maltese cross 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 maltese cross and expect a good harvest is probably August. If you wait any later than that and your maltese cross may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your maltese cross indoors.

Last Frost Date

The average date of last frost is May 15 in Potsdam. It might get as low as -25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Potsdam and it changes from year to year. Half of the time in Potsdam last frost occurs after May 15 so make sure that you are ready to protect your maltese cross if you have 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.