When to Plant Vinca Vine in Williamsport, PA

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

By referring to the USDA zone info for Williamsport it's possible to figure out when to plant vinca vine.


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 tend to make it in some cold which means that you can plant them a little bit earlier in the year than other frost tender 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 Williamsport 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. You probably don't want to wait any later than that or else your vinca vine may not have a chance to grow to maturity. If you are starting your vinca vine indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Williamsport the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Williamsport is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Williamsport you get a frost after April 15 be ready to protect your vinca vine in the event of a late frost.

USDA Zone Info for Williamsport

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Williamsport

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