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.

The USDA zone info for Williston can be reviewed to estimate 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 pretty solid cold which means that you can plant them earlier in the year than other frost tender plants.

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

The last month that you can plant garlic and expect a good harvest is probably August. If you wait any later than that and your garlic may not have a chance to fully mature. You can get started a few weeks earlier by starting your garlic indoors.

Last Frost Date

On average the last frost is on May 15 in Williston. It might get as low as -30°F during the coldest months of winter.

Remember that USDA zone info for Williston is just an average and the actual date of last frost will vary from year to year. Half of the time in Williston you get a frost after May 15 so make sure that you are prepared to protect your garlic in the event of one of those late frosts.

USDA Zone Info for Williston

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Williston

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