The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant vinca vine in Durham can be determined by reviewing the USDA zone info.

Planting Calendar for Vinca Vine

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

Vinca Vine do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant vinca vine in Durham 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. If you wait any later than that and your vinca vine may not have a chance to really do well. If you are starting your vinca vine indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Durham. You can expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Durham is an average and the actual date of last frost will vary from year to year. Since half of the time in Durham it frosts late in the year after April 15 be ready to protect your vinca vine in the event of one of those late frosts.

USDA Zone Info for Durham

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Durham

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