One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 USDA zone info for Harlan should be used to figure out when it's possible to plant summer savory.

Planting Calendar for Summer Savory

Frost tolerance for summer savory:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant summer savory just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant summer savory in Harlan 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 summer savory and expect a good harvest is probably August. You probably don't want to wait any later than that or else your summer savory may not have a chance to grow to maturity. Starting your summer savory indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Harlan. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Harlan is not always accurate the actual date of last frost changes from year to year. Half of the time in Harlan you get surprised by a frost after April 15 so always be ready to protect your summer savory if you have a late frost.

USDA Zone Info for Harlan

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 Harlan

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