One of the first steps you take when you are making a decision about 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.

You can determine when to plant vinca vine in Chisholm 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 are moderately cold tolerant which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant vinca vine in Chisholm 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. You can get started a couple of weeks earlier by starting your vinca vine indoors.

Last Frost Date

In Chisholm the average date of last frost happens on May 15. You should expect an average low temperature of -35°F in the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Chisholm and it is different every year. Since half of the time in Chisholm it frosts late in the year after May 15 be ready to protect your vinca vine if you have a surprise late frost.

USDA Zone Info for Chisholm

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Chisholm

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