frostdate name logo in white
frostdate name logo in white

When to Plant Bleeding Hearts in Warrenville, IL

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 Warrenville should be estimated by referring to the USDA zone info.

Create beautiful hand-made plants at forever-plants.com

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 do ok in moderate cold you can plant them slightly earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bleeding hearts
Possibly ok, but a risky time to plant bleeding hearts
Probably not a good time to plant bleeding hearts

The earliest that you can plant bleeding hearts in Warrenville 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. Starting your bleeding hearts indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Warrenville. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Warrenville is not always accurate and the actual date of last frost is different every year. Half of the time in Warrenville last frost occurs after April 15 so make sure that you are ready to protect your bleeding hearts if you have a surprise late frost.

USDA Zone Info for Warrenville

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 Warrenville

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