When to Plant Chard in Brentwood, CA

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.

One way of determining when it's possible to plant chard is to consult the USDA zone info for Brentwood.


Planting Calendar for Chard

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

Chard do ok in moderate cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant chard
Possibly ok, but a risky time to plant chard
Probably not a good time to plant chard

The earliest that you can plant chard in Brentwood 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 fully mature. If you are starting your chard indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Brentwood and it will vary from year to year. Since half of the time in Brentwood it frosts late in the year after February 15 be ready to cover your chard in the event of a surprise late frost.

USDA Zone Info for Brentwood

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 Brentwood

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