One of the first steps you take when you are getting a good idea 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 Billings you can determine when you can plant moon vine by looking at the USDA zone info.

Planting Calendar for Moon Vine

Frost tolerance for moon vine:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Moon Vine do not do well in cold weather which means that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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

The last month that you can plant moon vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your moon vine may not have a chance to fully mature. If you are starting your moon vine 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. In the coldest months of winter you should expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Billings is just an average and the actual date of last frost will vary from year to year. Half of the time in Billings last frost occurs after May 15 so make sure that you are ready to protect your moon vine if you have 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.