Photo by Melody

PlantFiles: Red Hot Poker, Torch Lily, Tritoma
Kniphofia caulescens

Family: Asphodelaceae (as-foh-del-AY-see-ee) (Info)
Genus: Kniphofia (nip-HOFF-ee-uh) (Info)
Species: caulescens (kawl-ESS-kens) (Info)

2 vendors have this plant for sale.

7 members have or want this plant for trade.

View this plant in a garden


4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 m)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive bmottern On Apr 9, 2012, bmottern from Durham, NC wrote:

Saw this plant in England last summer and was able to find it here in NC. In UK the plant had bright blue green foliage, here its more green but the plant looks great and has its first flowers!

Positive whyteboy_9 On Oct 10, 2009, whyteboy_9 from Pueblo, CO (Zone 6a) wrote:

Broad leaves and orange inflorescences are as near as cold winter gardeners can come to aloes. Very impressive planted in groups of 3-5 or even larger beds. I recommend mulching heavily the first winter, but it seems to be nearly indestructible once established.Although the frequent hailstorms in my area do considerable damage, the plant always recovers quickly. This is absolutely one of my favorite plants!


This plant has been said to grow in the following regions:

San Leandro, California
Pueblo, Colorado
Ocala, Florida
West Branch, Iowa
Trout, Louisiana
Durham, North Carolina
Athens, Ohio
Portland, Oregon
Sumter, South Carolina
Belton, Texas
Great Cacapon, West Virginia

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