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 will be able to determine when it's a good idea to plant chard by using the USDA zone info for Oroville.

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since chard do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant chard in Oroville is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant chard and expect a good harvest is probably October. You probably don't want to wait any later than that or else your chard may not have a chance to grow to maturity. Starting your chard indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Oroville. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Oroville is just an average the actual date of last frost is different every year. Since half of the time in Oroville it frosts late in the year after February 15 be ready to protect your chard if you have a late frost.

USDA Zone Info for Oroville

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 Oroville

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