One of the first steps you take when you are determining 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.

By looking at the USDA zone info for La Crosse you will be able to estimate when you can 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.

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

The earliest that you can plant vinca vine in La Crosse 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. 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. Starting your vinca vine indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in La Crosse. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for La Crosse is just an average and the actual date of last frost changes from year to year. Half of the time in La Crosse it frosts late in the year after May 15 so make sure that you are ready to cover your vinca vine if you have one of those late frosts.

USDA Zone Info for La Crosse

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 La Crosse

You may be interested in your other planting guides for La Crosse.