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Ferocactus

Ferocactusmacrodiscus subsp. septentrionalis

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Family

Cactaceae (kak-TAY-see-ee)

Info

Genus

Ferocactus (fer-oh-KAK-tus)

Info

Synonym

Ferocactus macrodiscus var. septentrionalis

Bisnaga macrodiscus subsp. septentrionalis

Sun Exposure

Full Sun

Sun to Partial Shade

Light Shade

Foliage

Unknown - Tell us

Height

under 6 in. (15 cm)

6-12 in. (15-30 cm)

Spacing

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Hardiness

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)

USDA Zone 11: above 4.5 °C (40 °F)

Danger

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

Bloom Color

Pink

Magenta (pink-purple)

White/Near White

Bloom Time

Late Winter/Early Spring

Mid Spring

Late Spring/Early Summer

Other Details

Gardener's Notes:

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positive

neutral

negative

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Xenomorf

Phoenix, AZ (Zone 9b) | April 2005 | neutral

The 'macrodiscus' subspecies has a blue-green epidermis and areoles 1/5th to 1/3rd of an inch long. The spines are yellow or red and curv...Read More

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