When to Plant Firebush in Glendale, AZ

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's possible to plant firebush by checking out the USDA zone info for Glendale.


Planting Calendar for Firebush

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

Since firebush do not do well in cold weather it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant firebush
Possibly ok, but a risky time to plant firebush
Probably not a good time to plant firebush

The earliest that you can plant firebush in Glendale 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 grow to maturity. If you are starting your firebush indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Glendale. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Glendale 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 Glendale it frosts late in the year after February 15 so be sure to be ready to protect your firebush if you have a late frost.

USDA Zone Info for Glendale

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 Low25°F
Highest Expected Low30°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 Glendale

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