One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

You can figure out when it's a good idea to plant firebush in Red Bluff by referring to the USDA zone info.

Planting Calendar for Firebush

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

Firebush do not do well in cold weather which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant firebush in Red Bluff is March. However, you really should wait until April 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. Any later than that and your firebush may not have a chance to really do well. You can get started a couple of weeks earlier by starting your firebush indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Red Bluff. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Red Bluff 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 Red Bluff you get a frost after February 15 so always be ready to cover your firebush in the event of a late frost.

USDA Zone Info for Red Bluff

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Red Bluff

You may be interested in your other planting guides for Red Bluff.