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When to Plant Sweet Potato Vine in Morro Bay, CA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Morro Bay you can figure out when it's a good idea to plant sweet potato vine by referring to the USDA zone info.


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.

Since sweet potato vine are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sweet potato vine
Possibly ok, but a risky time to plant sweet potato vine
Probably not a good time to plant sweet potato vine

The earliest that you can plant sweet potato vine in Morro Bay 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. You probably don't want to wait any later than that or else your sweet potato vine may not have a chance to grow to maturity. Starting your sweet potato vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Morro Bay. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Morro Bay and it can change quite a bit from year to year. Since half of the time in Morro Bay you get surprised by a frost after February 15 be ready to cover your sweet potato vine if you have one of those late frosts.

USDA Zone Info for Morro Bay

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 Low25°F
Highest Expected Low30°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 Morro Bay

You may be interested in your other planting guides for Morro Bay.