Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 Missoula should be looked at to determine when you can plant sweetscented bedstraw.

Planting Calendar for Sweetscented Bedstraw

Frost tolerance for sweetscented bedstraw:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since sweetscented bedstraw are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

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

Last Frost Date

In Missoula the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Missoula is not always accurate and the actual date of last frost changes from year to year. Half of the time in Missoula you get surprised by a frost after April 15 so be sure to be ready to protect your sweetscented bedstraw if you have one of those late frosts.

USDA Zone Info for Missoula

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Missoula

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