Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's possible to plant sweet potatos in Orland by looking at the USDA zone info.

Planting Calendar for Sweet Potatos

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

Since sweet potatos are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Orland 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. If you wait any later than that and your sweet potatos may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet potatos indoors.

Last Frost Date

On average the last frost is on February 15 in Orland. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Orland may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Orland there is a last frost after February 15 be ready to cover your sweet potatos if you have a surprise late frost.

USDA Zone Info for Orland

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 Orland

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