The USDA Zone info is a great tool for gardeners to help us estimate 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.

You should be able to estimate when to plant moon vine by looking at the USDA zone info for San Luis Obispo.

Planting Calendar for Moon Vine

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

Since moon vine are not cold tolerant it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant moon vine in San Luis Obispo is March. However, you really should wait until April 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 September. If you wait any later than that and your moon vine may not have a chance to really do well. Starting your moon vine indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in San Luis Obispo. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for San Luis Obispo is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in San Luis Obispo last frost occurs after February 15 so be sure to be ready to protect your moon vine if you have a late frost.

USDA Zone Info for San Luis Obispo

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Luis Obispo

You may be interested in your other planting guides for San Luis Obispo.