Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant vinca vine is to use the USDA zone info for Irvine.

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 a little bit of cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant vinca vine in Irvine 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 really do well. Starting your vinca vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Irvine. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Irvine may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Irvine it frosts late in the year after January 31 be ready to protect your vinca vine in the event of a surprise late frost.

USDA Zone Info for Irvine

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

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

Plants to Grow in Irvine

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