The USDA Zone info is a great tool for gardeners to help us figure out 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.

The earliest that you can plant bleeding hearts in Durham can be determined by referring to the USDA zone info.

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.

Since bleeding hearts are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant bleeding hearts in Durham 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. You can get started a couple of weeks earlier by starting your bleeding hearts indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Durham. It might get as low as 5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Durham is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Durham it frosts late in the year after April 15 be ready to cover your bleeding hearts if you have one of those late frosts.

USDA Zone Info for Durham

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Durham

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