The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 Romulus can 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.

Since garlic are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than more sensitive plants.

The earliest that you can plant garlic in Romulus 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. You can get started a little bit earlier by starting your garlic indoors.

Last Frost Date

On average the last frost is on April 15 in Romulus. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Romulus is just an average and the actual date of last frost is different every year. Half of the time in Romulus you get a frost after April 15 so be sure to be ready to cover your garlic if you have a surprise late frost.

USDA Zone Info for Romulus

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 Romulus

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