One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Glendive you can figure out when it's the best time to plant bleeding hearts 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.

You can plant bleeding hearts just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant bleeding hearts in Glendive is April. However, you really should wait until May 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 really do well. If you are starting your bleeding hearts indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Glendive. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Glendive is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Glendive you get surprised by a frost after May 15 so make sure that you are prepared to cover your bleeding hearts in the event of a surprise late frost.

USDA Zone Info for Glendive

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Glendive

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