Before planting it is a good idea to find your USDA Zone info to figure out 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.

The earliest that you can plant onions in Bell Gardens can be determined by looking at the USDA zone info.

Planting Calendar for Onions

Frost tolerance for onions:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Onions do well in cold which means that you can start planting them much earlier than plants that are more sensitive to the cold.

The earliest that you can plant onions in Bell Gardens 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 onions and expect a good harvest is probably October. You probably don't want to wait any later than that or else your onions may not have a chance to fully mature. Starting your onions indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Bell Gardens. You can expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that USDA zone info for Bell Gardens is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Bell Gardens last frost occurs after January 31 so always be ready to protect your onions if you have a surprise late frost.

USDA Zone Info for Bell Gardens

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 Low	35°F
Highest Expected Low	40°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 Bell Gardens

You may be interested in your other planting guides for Bell Gardens.