When to Plant Garlic in Dover, NH

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Dover it's possible to figure out when it's the best time 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 can survive in a bit of cold which tells us that you can plant them quite a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant garlic
Possibly ok, but a risky time to plant garlic
Probably not a good time to plant garlic

The earliest that you can plant garlic in Dover 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. Any later than that and your garlic may not have a chance to fully mature. If you are starting your garlic indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Dover the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Dover is just an average and the actual date of last frost is different every year. Since half of the time in Dover it frosts late in the year after April 15 be ready to cover your garlic if you have a late frost.

USDA Zone Info for Dover

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Dover

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