Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Zone 3b you can figure out when you can plant moon vine by checking out the USDA zone info.

Planting Calendar for Moon Vine

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

You should not plant moon vine until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant moon vine in Zone 3b 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. If you wait any later than that and your moon vine may not have a chance to grow to maturity. Starting your moon vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 3b the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -35°F.

Since the USDA zone info for Zone 3b is an average the actual date of last frost will vary from year to year. Since half of the time in Zone 3b there is a last frost after May 15 be ready to cover your moon vine in the event of a surprise late frost.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Zone 3b

You may be interested in your other planting guides for Zone 3b.