One of the first steps you take when you are making a decision about 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.

In Glendora you can figure out when it's the best time to plant broccoli by looking at 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 can survive in a little bit of cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant broccoli in Glendora 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. You probably don't want to wait any later than that or else your broccoli may not have a chance to really do well. You can get started a couple of weeks earlier by starting your broccoli indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Glendora may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Glendora you get a frost after January 31 so always be ready to protect your broccoli in the event of a late frost.

USDA Zone Info for Glendora

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 Glendora

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