Before planting it is a good idea to find your USDA Zone info to figure out 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.

One way of estimating when it's a good idea to plant chives is to refer to the USDA zone info for Hackettstown.

Planting Calendar for Chives

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

Since chives are very cold tolerant you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant chives in Hackettstown 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 really do well. Starting your chives indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Hackettstown. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Hackettstown may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Hackettstown last frost occurs after April 15 be ready to cover your chives if you have a late frost.

USDA Zone Info for Hackettstown

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Hackettstown

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