Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 crossandra in Miles City can be determined by looking at the USDA zone info.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since crossandra are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant crossandra in Miles City 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 crossandra and expect a good harvest is probably August. If you wait any later than that and your crossandra may not have a chance to grow to maturity. Starting your crossandra indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Miles City the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Miles City is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Miles City there is a last frost after May 15 so just be sure to be ready to protect your crossandra if you have a surprise late frost.

USDA Zone Info for Miles City

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 Miles City

You may be interested in your other planting guides for Miles City.