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.

A common way of determining when it's a good idea to plant cauliflower is to check out the USDA zone info for Potsdam.

Planting Calendar for Cauliflower

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

Cauliflower can survive in mild cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Potsdam. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Potsdam may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Potsdam you get surprised by a frost after May 15 be ready to protect your cauliflower 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.