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.

By looking at the USDA zone info for Warren you will be able to figure out when it's the best time to plant peonies.

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 do well in some cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant peonies in Warren 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. If you wait any later than that and your peonies may not have a chance to really do well. You can get started a few weeks earlier by starting your peonies indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Warren. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Warren and it changes from year to year. Since half of the time in Warren it frosts late in the year after April 15 be ready to cover your peonies in the event of one of those late frosts.

USDA Zone Info for Warren

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Warren

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