One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Cary should be reffered to in order to determine when it's possible to plant bleeding hearts.

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 can survive in a tiny bit of cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant bleeding hearts in Cary 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 the last frost when the weather gets warmer is on April 15 in Cary. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Cary is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Cary it frosts late in the year after April 15 be ready to protect your bleeding hearts in the event of a surprise late frost.

USDA Zone Info for Cary

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Cary

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