One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Avenal you should be able to figure out when it's the best time to 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.

Vinca Vine can survive in mild cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant vinca vine in Avenal 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. Any later than that and 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 couple of weeks earlier.

Last Frost Date

In Avenal the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Avenal is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Avenal last frost occurs after February 15 so make sure that you are ready to protect your vinca vine if you have one of those late frosts.

USDA Zone Info for Avenal

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 Avenal

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