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.

The USDA zone info for Westlake should be read to figure out when you can plant sweet potato vine.

Planting Calendar for Sweet Potato Vine

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

Since sweet potato vine are not cold tolerant it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant sweet potato vine in Westlake 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 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 little bit earlier by starting your sweet potato vine indoors.

Last Frost Date

The average date of last frost is February 15 in Westlake. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Westlake may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Westlake last frost occurs after February 15 so make sure that you are ready to cover your sweet potato vine if you have a late frost.

USDA Zone Info for Westlake

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Westlake

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