One of the best tools that you have as gardeners to help us estimate 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.

You can determine when it's a good idea to plant garlic in Hackettstown by referring to the USDA zone info.

Planting Calendar for Garlic

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

Garlic are very cold tolerant which means that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant garlic 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 garlic and expect a good harvest is probably September. If you wait any later than that and your garlic may not have a chance to really do well. Starting your garlic indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Hackettstown is an average and the actual date of last frost is different every year. Since half of the time in Hackettstown there is a last frost after April 15 be ready to protect your garlic in the event of 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.