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Summary

Thornber's fishhook cactus is a small, slow-growing cactus native to the Sonoran Desert of Arizona and northern Mexico. Like other members of the former Mammillaria genus, it bears flowers in a ring around the stem and produces bright red edible fruits. Although the fruits are edible, they are produced in relatively small quantities and have historically served only as a minor seasonal food. Because many species in this group are protected throughout their natural range, harvesting wild plants is discouraged. Note: Mammillaria thornberi Orcutt. First published in Seed Pl. Co. Cat. Cact.: 21 (1903), it is a synonym of Cochemiea thornberi.

Physical Characteristics

Cochemiea thornberi is a SHRUB growing to 0.2 m (0ft 8in) by 0.2 m (0ft 8in) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 10. The flowers are pollinated by Bees, Insects.
It is noted for attracting wildlife.
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Chilita thornberi (Orcutt) Orcutt. Mammillaria thornberi Orcutt

Plant Habitats

Edible Uses

Thornber's fishhook cactus is another attractive desert cactus whose edible fruits offer only a modest seasonal food source. Its hooked spines, colourful flowers, and bright red fruits make it a distinctive member of the Sonoran Desert flora, but its slow growth, limited fruit production, and conservation concerns mean it is best appreciated as a native desert plant rather than a foraging resource [2-3]. The fruits are edible. No other parts of the plant are reported to be edible [2-3]. Edibility Rating: 2 out of 5 – The fruits are edible but are generally too few to provide a significant food resource [2-3]. Taste and Preparation: The fruits are eaten fresh. People have traditionally gathered Mammillaria fruits as an occasional seasonal food. The limited number of fruits each cactus produces makes it a supplementary rather than an important food source [2-3]. Seasonality: Plants flower during the warmer months, with fruits ripening later in the season depending on rainfall and local environmental conditions [2-3]. Traditional Uses: Native Americans occasionally ate the fruits of fishhook and pincushion cacti, but because the plants produce relatively few fruits, they made up only a minor part of the traditional diet. Safety: Although the fruits are edible, many members of the former Mammillaria genus (now including Cochemiea) are protected throughout their natural range, and several species are uncommon or locally rare. Do not harvest wild plants, and collecting fruit from protected populations may be prohibited.

References More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

There are no documented or scientifically proven medical uses for Cochemiea thornberi.

References More on Medicinal Uses

Other Uses

Thornber's fishhook cactus is valued by cactus collectors for its hooked spines, attractive flowers, and bright red fruits. Its flowers provide nectar and pollen for native bees and other pollinating insects. The ripe fruits are eaten by birds and small mammals, which help disperse the seeds.

Special Uses

References More on Other Uses

Cultivation details

Thornber's fishhook cactus grows best in full sun and very well-drained sandy, gravelly, or rocky soils. It is highly drought-tolerant and well adapted to hot desert climates. Habitat: It occurs in Sonoran Desert scrub, rocky slopes, desert plains, washes, and gravelly hillsides, primarily in southern Arizona and northern Mexico. USDA Hardiness Zones: USDA Zones 9–11. Growth Rate: Slow. Plants develop gradually and may live for many decades. Mature Size: Typically 5–20 cm (2–8 inches) tall, growing singly or forming small clusters with age. Cultivation: Cactus collectors value Thornber's fishhook cactus for its hooked spines, attractive flowers, and bright red fruits. It requires excellent drainage, full sun, and minimal irrigation. Identification: Thornber's fishhook cactus is a small, rounded-to-cylindrical cactus with numerous ungrooved tubercles arranged in spirals. The areoles bear distinctive hooked central spines, characteristic of the fishhook cacti. Flowers form in a circular band below the growing tip, arising from the bases of the tubercles rather than their tips. The mature fruits are smooth, spineless, and typically bright red. Similar Species: Thornber's fishhook cactus closely resembles common fishhook cactus (Cochemiea tetrancistra), which also has hooked central spines and edible fruits. It differs from pincushion cacti, such as Graham's pincushion cactus (Cochemiea grahamii) and little pincushion cactus (Mammillaria heyderi), by its curved, fishhook-like central spines. Species of Coryphantha and Escobaria may appear similar but possess grooved tubercles, whereas Cochemiea species have ungrooved tubercles. Like other members of the genus, the flowers arise from the bases of the tubercles.

References Carbon Farming Information and Carbon Sequestration Information

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Plant Propagation

Propagation is by seed or by separating offsets where present.

Other Names

If available other names are mentioned here

Thornber's fishhook cactus. Mammillaria thornberi.

Native Range

US. USA. Arizona, Mexico Northwest.

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it's worth checking.

None. This is a slow-growing native cactus with no invasive tendencies.

Conservation Status

IUCN Red List of Threatened Plants Status : Not listed.

IUCN Red List

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Cochemiea dioica	Strawberry cactus	Shrub	0.2	9-11	S	LM	N	DM	2	0	2
Cochemiea grahamii	Graham's Pincushion Cactus	Shrub	0.2	8-11	S	LM	N	DM	2	1	2
Cochemiea tetrancistra	Common Fishhook Cactus	Shrub	0.2	8-11	S	LM	N	DM	2	0	2
Cochemiea wrightii	Wright's Pincushion Cactus	Shrub	0.2	8-10	S	LM	N	DM	2	0	2

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

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Cochemiea thornberi - (Orcutt) P.B.Breslin & Majure