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.

You can determine when you can plant bleeding hearts in Biddeford by reviewing 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.

Bleeding Hearts can survive in some cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant bleeding hearts in Biddeford 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. You probably don't want to wait any later than that or else 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

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

Since the USDA zone info for Biddeford may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Biddeford last frost occurs after April 15 so make sure that you are prepared to protect your bleeding hearts if you have a surprise late frost.

USDA Zone Info for Biddeford

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 Biddeford

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