One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 Herkimer you can estimate when it's a good idea to 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.

You can plant vinca vine a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant vinca vine in Herkimer 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. 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 Herkimer. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Herkimer is just an average the actual date of last frost is different every year. Since half of the time in Herkimer there is a last frost after April 15 be ready to cover your vinca vine in the event of a late frost.

USDA Zone Info for Herkimer

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 Herkimer

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