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 earliest that you can plant peonies in Harlan should be determined by looking at the USDA zone info.

Planting Calendar for Peonies

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

Peonies can survive in mild cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant peonies 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 peonies and expect a good harvest is probably August. You probably don't want to wait any later than that or else your peonies may not have a chance to fully mature. You can get started a little bit earlier by starting your peonies indoors.

Last Frost Date

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

Since the USDA zone info for Harlan may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Harlan it frosts late in the year after April 15 so make sure that you are ready to cover your peonies if you have one of those late frosts.

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.