One of the first steps you take when you are estimating your gardening schedule is find your 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.

A common way of getting a good idea when it's the best time to plant sweet potato vine is to refer to the USDA zone info for Diamond Bar.

Planting Calendar for Sweet Potato Vine

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

Sweet Potato Vine are not cold tolerant which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant sweet potato vine in Diamond Bar is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant sweet potato vine and expect a good harvest is probably September. If you wait any later than that and your sweet potato vine may not have a chance to fully mature. You can get started a few weeks earlier by starting your sweet potato vine indoors.

Last Frost Date

The average date of last frost is January 31 in Diamond Bar. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Diamond Bar is just an average and the actual date of last frost will vary from year to year. Half of the time in Diamond Bar last frost occurs after January 31 so just be sure to be ready to protect your sweet potato vine in the event of a late frost.

USDA Zone Info for Diamond Bar

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Diamond Bar

You may be interested in your other planting guides for Diamond Bar.