The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Astoria it's possible to estimate when it's a good idea to plant moon vine.

Planting Calendar for Moon Vine

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

Since moon vine require warm weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant moon vine in Astoria 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. Any later than that and your moon vine may not have a chance to grow to maturity. If you are starting your moon vine indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Astoria. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Astoria is an average the actual date of last frost will vary from year to year. Since half of the time in Astoria last frost occurs after March 15 be ready to protect your moon vine in the event of one of those late frosts.

USDA Zone Info for Astoria

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Astoria

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