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

By reviewing the USDA zone info for Ionia it's a good idea to figure out when it's the best time to plant sweet potato vine.

Planting Calendar for Sweet Potato Vine

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

You can not plant sweet potato vine until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant sweet potato vine in Ionia 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 sweet potato vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sweet potato vine may not have a chance to really do well. You can get started a little bit earlier by starting your sweet potato vine indoors.

Last Frost Date

In Ionia the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Ionia may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Ionia it frosts late in the year after April 15 be ready to protect your sweet potato vine if you have one of those late frosts.

USDA Zone Info for Ionia

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Ionia

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