The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when it's the best time to plant vinca vine is to look at the USDA zone info for Winnfield.

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 are moderately cold tolerant which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant vinca vine in Winnfield 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 really do well. If you are starting your vinca vine indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Winnfield. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Winnfield may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Winnfield you get a frost after March 15 so just be sure to be ready to protect your vinca vine in the event of a late frost.

USDA Zone Info for Winnfield

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Winnfield

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