One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 a good idea to plant chard in Millbrae by looking at the USDA zone info.

Planting Calendar for Chard

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

You can plant chard just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chard in Millbrae 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 little bit earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Millbrae. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Millbrae is just an average the actual date of last frost changes from year to year. Since half of the time in Millbrae last frost occurs after January 31 be ready to protect your chard if you have a surprise late frost.

USDA Zone Info for Millbrae

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Millbrae

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