The USDA Zone info is a great tool for gardeners to help us figure out 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.

A way of determining when it's a good idea to plant vinca vine is to examine the USDA zone info for Salem.

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 means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant vinca vine in Salem 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. Any later than that and your vinca vine may not have a chance to grow to maturity. Starting your vinca vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Salem the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Salem is an average and the actual date of last frost will vary from year to year. Since half of the time in Salem you get a frost after April 15 be ready to cover your vinca vine in the event of a late frost.

USDA Zone Info for Salem

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 Salem

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