One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Walnut should be reviewed to estimate when it's possible to plant firebush.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost.

Firebush do not do well in cold weather which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant firebush in Walnut 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 really do well. Starting your firebush indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Walnut the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Remember that USDA zone info for Walnut is an average and the actual date of last frost will vary from year to year. Since half of the time in Walnut last frost occurs after January 31 be ready to protect your firebush if you have one of those late frosts.

USDA Zone Info for Walnut

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 Walnut

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