The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 possible to plant firebush in Diamond Bar by referring to the USDA zone info.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant firebush until after the last frost because they do not do well in cold weather.

The earliest that you can plant firebush in Diamond Bar is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant firebush and expect a good harvest is probably September. If you wait any later than that and your firebush may not have a chance to fully mature. Starting your firebush indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Diamond Bar. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Diamond Bar may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Diamond Bar you get surprised by a frost after January 31 so make sure that you are ready to cover your firebush if you have one of those late frosts.

USDA Zone Info for Diamond Bar

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 Diamond Bar

You may be interested in your other planting guides for Diamond Bar.