The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when to plant vinca vine is to look at the USDA zone info for Needles.

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 little earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is February 15 in Needles. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Needles is just an average the actual date of last frost is different every year. Half of the time in Needles you get a frost after February 15 so always be ready to protect your vinca vine if you have a late frost.

USDA Zone Info for Needles

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 Needles

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