When to Plant Broccoli in Seal Beach, CA

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 a good idea to plant broccoli in Seal Beach by referring to the USDA zone info.


Planting Calendar for Broccoli

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

Broccoli are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than other plants that might not handle the cold.

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

The earliest that you can plant broccoli in Seal Beach 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 broccoli and expect a good harvest is probably October. If you wait any later than that and your broccoli may not have a chance to grow to maturity. If you are starting your broccoli indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Seal Beach. It might get as low as 35°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Seal Beach and it is different every year. Since half of the time in Seal Beach last frost occurs after January 31 be ready to protect your broccoli if you have a late frost.

USDA Zone Info for Seal Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Seal Beach

You may be interested in your other planting guides for Seal Beach.