Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant vinca vine in Riverbank should be estimated by looking at 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 bit earlier in the year than other frost tender plants.

The earliest that you can plant vinca vine in Riverbank is January. However, you really should wait until February 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 October. 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. Starting your vinca vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Riverbank. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Riverbank is an average and the actual date of last frost will vary from year to year. Half of the time in Riverbank you get surprised by a frost after February 15 so make sure that you are prepared to cover your vinca vine in the event of one of those late frosts.

USDA Zone Info for Riverbank

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Riverbank

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