Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 you can plant vinca vine is to use the USDA zone info for Harrington Park.

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 are moderately cold tolerant which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant vinca vine in Harrington Park 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. You can get started a couple of weeks earlier by starting your vinca vine indoors.

Last Frost Date

The average date of last frost is April 15 in Harrington Park. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Harrington Park is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Harrington Park there is a last frost after April 15 so be sure to be ready to protect your vinca vine in the event of a late frost.

USDA Zone Info for Harrington Park

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Harrington Park

You may be interested in your other planting guides for Harrington Park.