One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Salem it's possible to determine when it's possible to plant vinca vine.

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 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 really do well. Starting your vinca vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Salem may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Salem you get surprised by a frost after April 15 be ready to cover your vinca vine in the event of one of those late frosts.

USDA Zone Info for Salem

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Salem

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