Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant firebush in Twin Falls should be estimated by using 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.

Since firebush are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant firebush in Twin Falls is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant firebush and expect a good harvest is probably August. Any later than that and your firebush may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your firebush indoors.

Last Frost Date

The average date of last frost is April 15 in Twin Falls. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Twin Falls may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Twin Falls last frost occurs after April 15 so make sure that you are ready to cover your firebush in the event of a late frost.

USDA Zone Info for Twin Falls

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Twin Falls

You may be interested in your other planting guides for Twin Falls.