One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 Iron Mountain should be reviewed to estimate when it's possible to plant moon vine.

Planting Calendar for Moon Vine

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

Since moon vine require warm weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant moon vine in Iron Mountain 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. You can get started a few weeks earlier by starting your moon vine indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Iron Mountain. It might get as low as -30°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Iron Mountain and it can change quite a bit from year to year. Since half of the time in Iron Mountain it frosts late in the year after May 15 be ready to cover your moon vine if you have one of those late frosts.

USDA Zone Info for Iron Mountain

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 Iron Mountain

You may be interested in your other planting guides for Iron Mountain.