The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In South Holland you can estimate 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 the last frost.

It's probably not a good idea to plant moon vine until after the last frost because they are not cold tolerant.

The earliest that you can plant moon vine in South Holland 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. Starting your moon vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in South Holland. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for South Holland is just an average the actual date of last frost will vary from year to year. Half of the time in South Holland it frosts late in the year after April 15 so make sure that you are prepared to protect your moon vine if you have one of those late frosts.

USDA Zone Info for South Holland

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 South Holland

You may be interested in your other planting guides for South Holland.