Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Portsmouth you can figure out when it's possible to plant moon vine by using 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 when the weather gets warmer.

Moon Vine require warm weather which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant moon vine in Portsmouth 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 moon vine and expect a good harvest is probably August. Any later than that and your moon vine may not have a chance to grow to maturity. 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 April 15 in Portsmouth. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Portsmouth is an average the actual date of last frost will vary from year to year. Since half of the time in Portsmouth it frosts late in the year after April 15 be ready to protect your moon vine in the event of a late frost.

USDA Zone Info for Portsmouth

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Portsmouth

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