One of the first steps you take when you are estimating your gardening schedule is find your 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.

In Miles City you can determine when it's the best time to plant baby's breath by looking at the USDA zone info.

Planting Calendar for Baby's Breath

Frost tolerance for baby's breath:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Baby's Breath do well in some cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant baby's breath in Miles City 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 baby's breath and expect a good harvest is probably August. You probably don't want to wait any later than that or else your baby's breath may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your baby's breath indoors.

Last Frost Date

The average date of last frost is May 15 in Miles City. It might get as low as -30°F during the coldest months of winter.

Remember that USDA zone info for Miles City is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Miles City last frost occurs after May 15 so be sure to be ready to cover your baby's breath if you have one of those late frosts.

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.