One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Princeton you can determine when it's possible to plant chives by referring to the USDA zone info.

Planting Calendar for Chives

Frost tolerance for chives:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Chives tend to make it in cold weather which means that you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant chives in Princeton is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant chives and expect a good harvest is probably September. If you wait any later than that and your chives may not have a chance to fully mature. If you are starting your chives indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Princeton. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Princeton is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Princeton it frosts late in the year after April 15 so be sure to be ready to protect your chives if you have a late frost.

USDA Zone Info for Princeton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Princeton

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