One of the best tools that you have as gardeners to help us determine 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.

You can determine when it's a good idea to plant maltese cross in Bismarck by using the USDA zone info.

Planting Calendar for Maltese Cross

Frost tolerance for maltese cross:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Maltese Cross tend to make it in a little bit of cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant maltese cross in Bismarck 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 maltese cross and expect a good harvest is probably August. If you wait any later than that and your maltese cross may not have a chance to really do well. You can get started a little bit earlier by starting your maltese cross indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Bismarck is not always accurate and the actual date of last frost changes from year to year. Half of the time in Bismarck you get a frost after May 15 so make sure that you are ready to protect your maltese cross in the event of one of those late frosts.

USDA Zone Info for Bismarck

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 Bismarck

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