Photo by Melody

PlantFiles: Arizona Barrel Cactus, Biznaga, Coville's Cactus, Emory Barrel, Long-spined Barrel Cactus
Ferocactus emoryi

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Ferocactus (fer-oh-KAK-tus) (Info)
Species: emoryi (EM-or-ee) (Info)

Synonym:Echinocactus covillei
Synonym:Echinocactus emoryi
Synonym:Ferocactus covillei
Synonym:Ferocactus emoryi subsp. emoryi

5 members have or want this plant for trade.

Cactus and Succulents

6-8 ft. (1.8-2.4 m)

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Gold (Yellow-Orange)
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow after last frost

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By palmbob
Thumbnail #1 of Ferocactus emoryi by palmbob

By Xenomorf
Thumbnail #2 of Ferocactus emoryi by Xenomorf

By Xenomorf
Thumbnail #3 of Ferocactus emoryi by Xenomorf

By Xenomorf
Thumbnail #4 of Ferocactus emoryi by Xenomorf

By Xenomorf
Thumbnail #5 of Ferocactus emoryi by Xenomorf

By Xenomorf
Thumbnail #6 of Ferocactus emoryi by Xenomorf

By cactus_lover
Thumbnail #7 of Ferocactus emoryi by cactus_lover

There are a total of 26 photos.
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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral Xenomorf On Apr 15, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

This also goes by the common names of " Coville's Barrel Cactus" & "Traveler's Friend".
The 'emoryi' subspecies can reach a height of 8 feet and over 3 feet thick. It has 30 or more ribs.
The 'rectispinus' subspecies only grows up to about 5 feet high and 18 inches thick. It has about 21 ribs and the central spines are more erect.

Neutral smiln32 On Nov 9, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

Flowers are very pretty - reddish in color and up to 3" in diameter. Typically grows in sandy desert and rocky areas as a single specimen (not in groups).

Positive palmbob On Mar 28, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Nice looking tall barrel cactus native to Southwest US. Grows up to 8' tall. Colorful spines


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

Hereford, Arizona
Mesa, Arizona
Phoenix, Arizona
Tucson, Arizona
Bostonia, California
Carlsbad, California
Corona, California
Davis, California
Hesperia, California
Spring Valley, California

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