General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Dry Mesic
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Plant Height: Up to 3 feet in old age
Plant Spread: Up to 12 inches
Fruit: Dehiscent
Other: Yellow
Flower Color: Orange
Red
Yellow
Bloom Size: 1"-2"
Suitable Locations: Xeriscapic
Wildlife Attractant: Bees
Resistances: Drought tolerant
Pollinators: Bees
Containers: Needs excellent drainage in pots
Miscellaneous: Tolerates poor soil
With thorns/spines/prickles/teeth
Conservation status: Endangered (EN)

Conservation status:
Conservation status: Endangered
Image
Common names
  • Cedros Island Barrel Cactus
  • Biznaga Barril de Isla de Cedros
  • Ferocactus
  • Biznaga

Photo Gallery
Location: Baja California
Date: 2019-10-05
Location: Baja California
Date: 2018-12-27
Plate measures 5.5 inches
Location: Baja California
Date: 2016-08-30
Location: Baja California
Date: 2023-09-23
Almost 5 years old, 6" pot
Location: Baja California
Date: 2013-01-27
Location: Baja California
Date: 2021-01-27
Location: From my collection. Poland.
Date: 2020-07-13
Location: Baja California
Date: 2024-01-25
4 inch pot
Location: Botanical Garden La Concepcion - Malaga
Date: 2015-03-25
Location: Baja California
Date: 2021-09-08
Location: Baja California
Date: 2020-07-22
Location: 98108
Date: 2013-03-21
Comments:
  • Posted by Baja_Costero (Baja California - Zone 11b) on Apr 8, 2018 10:53 PM concerning plant:
    Extra-spiny barrel cactus from Baja California (Cedros and San Benito Islands; western Baja California Sur). Green stems; ~10 flattened, ridged, curled central spines; 4-12+ radial spines. Both spines and flowers are variable. Spines may be yellow, red, gray, or white (first two are seen in cultivation and grow side by side in habitat). Flowers may be yellow, orange, or red. Fruit is a basally dehiscent reddish yellow, fleshy capsule with black seeds inside (released through a hole at the bottom). Roots are thick and ropey.

    Subspecies chrysacanthus (yellow/orange flowers) comes from the islands, subspecies grandiflorus (orange/red flowers) comes from the peninsula.

    Solitary, slow growing, and uncommon in cultivation. May be (somewhat) self fertile.
Discussion Threads about this plant
Thread Title Last Reply Replies
Is this even a ferocactus by skopjecollection Oct 29, 2018 4:05 PM 14

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