When to Plant Vinca Vine in Zone 1b

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when to plant vinca vine in Zone 1b 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 earlier in the year 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 1b is May. However, you really should wait until June 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 July. You probably don't want to wait any later than that or else your vinca vine may not have a chance to fully mature. Starting your vinca vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on June 15 in Zone 1b. In the coldest months of winter you can expect an average low temperature of -55°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 1b and it changes from year to year. Since half of the time in Zone 1b you get surprised by a frost after June 15 be ready to cover your vinca vine if you have one of those late frosts.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.