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 figure out when it's the best time to plant chamomile in Miles City by reviewing the USDA zone info.

Planting Calendar for Chamomile

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

You can plant chamomile a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chamomile 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 chamomile and expect a good harvest is probably August. If you wait any later than that and your chamomile may not have a chance to grow to maturity. If you are starting your chamomile indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Miles City. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind 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 make sure that you are ready to protect your chamomile in the event of 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.