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

You should be able to estimate when to plant vinca vine by reviewing the USDA zone info for Macomb.

Planting Calendar for Vinca Vine

Frost tolerance for vinca vine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since vinca vine do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant vinca vine in Macomb is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant vinca vine and expect a good harvest is probably September. You probably don't want to wait any later than that or else your vinca vine may not have a chance to fully mature. You can get started a few weeks earlier by starting your vinca vine indoors.

Last Frost Date

On average the last frost is on April 15 in Macomb. In the coldest months of winter you should expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Macomb is just an average and the actual date of last frost will vary from year to year. Since half of the time in Macomb you get a frost after April 15 be ready to protect your vinca vine in the event of one of those late frosts.

USDA Zone Info for Macomb

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 Macomb

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