The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when to plant bleeding hearts is to look at the USDA zone info for Monongahela.

Planting Calendar for Bleeding Hearts

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

Bleeding Hearts do ok in moderate cold which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant bleeding hearts in Monongahela 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 bleeding hearts and expect a good harvest is probably August. Any later than that and your bleeding hearts may not have a chance to really do well. If you are starting your bleeding hearts indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Monongahela the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Monongahela is just an average the actual date of last frost changes from year to year. Half of the time in Monongahela you get surprised by a frost after April 15 so be sure to be ready to cover your bleeding hearts if you have one of those late frosts.

USDA Zone Info for Monongahela

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 Monongahela

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