When to Plant Vinca Vine in Spring Grove, IL

One of the first steps you take when you are getting a good idea 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 Spring Grove you can estimate when to plant vinca vine by using 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.

Since vinca vine are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

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 Spring Grove 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. 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

On average the last frost has passed is on April 15 in Spring Grove. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Spring Grove is just an average and the actual date of last frost changes from year to year. Half of the time in Spring Grove there is a last frost after April 15 so be sure to be ready to protect your vinca vine in the event of a late frost.

USDA Zone Info for Spring Grove

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 Spring Grove

You may be interested in your other planting guides for Spring Grove.