One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

The first opportunity to plant garlic in Rockville should be estimated by checking out 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 do well in cold which means that you can start planting them much earlier than other plants that might not handle the cold.

The earliest that you can plant garlic in Rockville 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 fully mature. You can get started a couple of weeks earlier by starting your garlic indoors.

Last Frost Date

The average date of last frost is April 15 in Rockville. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Rockville may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Rockville you get surprised by a frost after April 15 so make sure that you are ready to protect your garlic if you have a surprise late frost.

USDA Zone Info for Rockville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Rockville

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