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

A common way of figuring out when it's possible to plant bleeding hearts is to look at the USDA zone info for Delavan.

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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant bleeding hearts in Delavan 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 fully mature. Starting your bleeding hearts indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Delavan may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Delavan you get a frost after April 15 be ready to protect your bleeding hearts if you have one of those late frosts.

USDA Zone Info for Delavan

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 Delavan

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