One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's possible to plant sweet potatos is to consult the USDA zone info for Long Beach.

Planting Calendar for Sweet Potatos

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

You can not plant sweet potatos until after all chance of frost has passed because they require warm weather.

The earliest that you can plant sweet potatos in Long Beach 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 potatos and expect a good harvest is probably September. Any later than that and your sweet potatos may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sweet potatos indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Long Beach. You should expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Long Beach may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Long Beach it frosts late in the year after February 15 be ready to protect your sweet potatos in the event of a surprise late frost.

USDA Zone Info for Long Beach

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 Long Beach

You may be interested in your other planting guides for Long Beach.