One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant jasmine in Washington should be estimated by reviewing the USDA zone info.

Planting Calendar for Jasmine

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

You should not plant jasmine until after the last frost when the weather gets warmer because they are not cold tolerant.

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. If you wait any later than that and your jasmine may not have a chance to grow to maturity. If you are starting your jasmine indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Washington the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Washington and it will vary from year to year. Half of the time in Washington you get a frost after April 15 so just be sure to be ready to protect your jasmine if you have a late frost.

USDA Zone Info for Washington

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Washington

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