One of the first steps you take when you are getting a good idea 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.

One way of making a decision about when you can plant moon vine is to examine the USDA zone info for Washington.

Planting Calendar for Moon Vine

Frost tolerance for moon vine:	Not tolerant of frost.
When to plant:	After the last frost.

Moon Vine do not do well in cold weather which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant moon vine 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 moon vine and expect a good harvest is probably August. If you wait any later than that and your moon vine may not have a chance to really do well. If you are starting your moon vine indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Washington the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Washington is just an average the actual date of last frost 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 moon vine in the event of a late frost.

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.