One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Hartford City you can determine when you can plant vinca vine by referring to 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 ok in a little bit of cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant vinca vine in Hartford City 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 few weeks earlier by starting your vinca vine indoors.

Last Frost Date

In Hartford City the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Hartford City is not always accurate the actual date of last frost changes from year to year. Half of the time in Hartford City you get a frost after April 15 so make sure that you are prepared to protect your vinca vine in the event of a surprise late frost.

USDA Zone Info for Hartford City

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 Hartford City

You may be interested in your other planting guides for Hartford City.