One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. 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 Billings should be looked at to estimate when it's a good idea to plant anemone.

Planting Calendar for Anemone

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

Anemone do well in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

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

Last Frost Date

On average the last frost has passed is on May 15 in Billings. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Billings is just an average and the actual date of last frost changes from year to year. Half of the time in Billings you get a frost after May 15 so make sure that you are ready to cover your anemone in the event of a late frost.

USDA Zone Info for Billings

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Billings

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