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

The USDA zone info for New London should be looked at to determine when to plant garlic.

Planting Calendar for Garlic

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

Garlic do well in cold which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant garlic in New London 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. You probably don't want to wait any later than that or else your garlic may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your garlic indoors.

Last Frost Date

On average the last frost has passed is on April 15 in New London. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for New London may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in New London there is a last frost after April 15 be ready to protect your garlic in the event of one of those late frosts.

USDA Zone Info for New London

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in New London

You may be interested in your other planting guides for New London.