Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's possible to plant sweet potatos in Crescent City by checking out the USDA zone info.

Planting Calendar for Sweet Potatos

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

You really shouldn't plant sweet potatos until after the last frost because they are not cold tolerant.

The earliest that you can plant sweet potatos in Crescent City 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 fully mature. You can get started a couple of weeks earlier by starting your sweet potatos indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Crescent City. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Crescent City is just an average the actual date of last frost changes from year to year. Since half of the time in Crescent City you get surprised by a frost after February 15 be ready to cover your sweet potatos in the event of one of those late frosts.

USDA Zone Info for Crescent City

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 Crescent City

You may be interested in your other planting guides for Crescent City.