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.

It's a good idea to estimate when it's the best time to plant vinca vine by using the USDA zone info for Omak.

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 are moderately cold tolerant which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant vinca vine in Omak is February. However, you really should wait until March 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 September. If you wait any later than that and your vinca vine may not have a chance to fully mature. Starting your vinca vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Omak. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Omak is just an average the actual date of last frost will vary from year to year. Half of the time in Omak there is a last frost after April 15 so always be ready to protect your vinca vine if you have a late frost.

USDA Zone Info for Omak

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Omak

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