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.

The USDA zone info for Zone 4a can be reviewed to determine when it's the best time to plant bloodleaf.

Planting Calendar for Bloodleaf

Frost tolerance for bloodleaf:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant bloodleaf until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant bloodleaf in Zone 4a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant bloodleaf and expect a good harvest is probably August. Any later than that and your bloodleaf may not have a chance to really do well. If you are starting your bloodleaf indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Zone 4a. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Zone 4a is just an average the actual date of last frost will vary from year to year. Half of the time in Zone 4a you get a frost after May 15 so just be sure to be ready to protect your bloodleaf in the event of a surprise late frost.

USDA Zone Info for Zone 4a

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 Zone 4a

You may be interested in your other planting guides for Zone 4a.