Before planting it is a good idea to find your USDA Zone info to determine 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 figure out when you can plant bleeding hearts in Tiffin 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 do well in very little cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bleeding hearts in Tiffin 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. If you wait any later than that and your bleeding hearts may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your bleeding hearts indoors.

Last Frost Date

The average date of last frost is April 15 in Tiffin. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Tiffin is just an average and the actual date of last frost is different every year. Since half of the time in Tiffin you get a frost after April 15 be ready to protect your bleeding hearts in the event of one of those late frosts.

USDA Zone Info for Tiffin

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Tiffin

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