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Coryphantha octacantha
Scientific Name: Coryphantha octacantha (DC.) Britton & Rose
Synonym: Mammillaria clava, Mammillaria macrothele, Coryphantha clava, Coryphantha asterias, Mammillaria octacantha, Coryphantha macrothele
Family: Cactaceae
Coryphantha  octacantha
Coryphantha clava at Kuentz Nursery in early June
Recommended Temperature Zone:
USDA: 9b-11

Frost Tolerance: 25 F (-4C)

Minimum Avg. Temperature: 50F (10C)

Heat Tolerance: Light shade in Phoenix in summer

Sun Exposure: Full sun to partial shade

Origin: Mexico (Hidalgo, Queretaro)

Growth Habits: Mostly solitary, club-shaped stems, 12 inches tall (30 cm), up to 4 inches wide (10 cm), clustering with age; 1 to 2 central spines, 1 inch (2.5 cm) long; 6 to 8 radial spines, 0.6 inch (1.5 cm) long

Watering Needs: Water sparingly, needs good drainage. Keep drier in winter

Propagation: Seeds

The name octacantha is coming from the 8 radial spines for each areole.

Blooming Habits:
Very large 3 inches wide (7 cm) straw-yellow flowers, in summer. Spineless green fruit.

Fruiting Habits:

Check for Field Collection numbers at Ralph Martin's Site

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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