One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant jasmine in Washington by using the USDA zone info.

Planting Calendar for Jasmine

Frost tolerance for jasmine:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Jasmine are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant jasmine in Washington is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant jasmine and expect a good harvest is probably August. Any later than that and your jasmine may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your jasmine indoors.

Last Frost Date

In Washington the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Washington is an average the actual date of last frost changes from year to year. Since half of the time in Washington it frosts late in the year after April 15 be ready to cover your jasmine in the event of one of those late frosts.

USDA Zone Info for Washington

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Washington

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