One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

In Kelso you can determine when to plant moon vine by using the USDA zone info.

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 you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant moon vine in Kelso 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 grow to maturity. Starting your moon vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Kelso. In the coldest months of winter you can expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Kelso is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Kelso you get surprised by a frost after March 15 so be sure to be ready to cover your moon vine if you have a surprise late frost.

USDA Zone Info for Kelso

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 Kelso

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