The USDA Zone info is a great tool for gardeners to help us estimate 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.

The USDA zone info for Willits can be used to figure out when it's a good idea 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 a little bit of cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant vinca vine in Willits 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. If you wait any later than that and your vinca vine may not have a chance to grow to maturity. You can get started a little bit earlier by starting your vinca vine indoors.

Last Frost Date

The average date of last frost is February 15 in Willits. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for Willits is an average and the actual date of last frost will vary from year to year. Since half of the time in Willits you get a frost after February 15 be ready to protect your vinca vine if you have a surprise late frost.

USDA Zone Info for Willits

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Willits

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