The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 Billings should be reffered to in order to estimate when it's a good idea to plant sagina.

Planting Calendar for Sagina

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

Sagina can survive in very little cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant sagina in Billings is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant sagina and expect a good harvest is probably August. Any later than that and your sagina may not have a chance to really do well. You can get started a little bit earlier by starting your sagina indoors.

Last Frost Date

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

Since the USDA zone info for Billings is just an average the actual date of last frost will vary from year to year. Half of the time in Billings it frosts late in the year after May 15 so be sure to be ready to cover your sagina 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.