When can I plant Vinca Vine in Zone 4b

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

It's a good idea to determine when it's possible to plant vinca vine by reviewing the USDA zone info for Zone 4b.


Planting Calendar for Vinca Vine

Frost tolerance for vinca vine: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Vinca Vine are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant vinca vine
Possibly ok, but a risky time to plant vinca vine
Probably not a good time to plant vinca vine

The earliest that you can plant vinca vine in Zone 4b is March. However, you really should wait until April 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 August. Any later than that and your vinca vine may not have a chance to grow to maturity. You can get started a little bit earlier by starting your vinca vine indoors.

Last Frost Date

On average the last frost is on May 15 in Zone 4b. We should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Zone 4b is just an average our actual date of last frost changes from year to year. Half of the time in Zone 4b we get surprised by a frost after May 15 so just be sure to be ready to cover your vinca vine if we have a late frost.

USDA Zone Info for Zone 4b

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Zone 4b

You may be interested in our other planting guides for Zone 4b.