Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Princeton you can determine when it's a good idea to plant cucumbers by checking out the USDA zone info.

Planting Calendar for Cucumbers

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

You can not plant cucumbers until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant cucumbers in Princeton 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 cucumbers and expect a good harvest is probably August. Any later than that and your cucumbers may not have a chance to fully mature. If you are starting your cucumbers indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Princeton. In the coldest months of winter you can expect an average low temperature of -30°F.

Since the USDA zone info for Princeton is just an average the actual date of last frost will vary from year to year. Half of the time in Princeton you get a frost after May 15 so always be ready to cover your cucumbers in the event of one of those late frosts.

USDA Zone Info for Princeton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Princeton

You may be interested in your other planting guides for Princeton.