Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Echinocereus (ek-in-oh-KER-ee-us) (Info)
Species: polyacanthus subsp. acifer
Synonym:Echinopsis valida var. densa
Synonym:Echinocereus polyacanthus var. densus
Synonym:Cereus acifer
Synonym:Echinocereus acifer
Category:
Cactus and Succulents
Height:
6-12 in. (15-30 cm)
Spacing:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness:
USDA Zone 8b: to -9.4 °C (15 °F)
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)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Handling plant may cause skin irritation or allergic reaction
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color:
Red
Scarlet (Dark Red)
Red-Orange
Bloom Time:
Late Spring/Early Summer
Foliage:
Succulent
Other details:
Drought-tolerant; suitable for xeriscaping
This plant may be considered a protected species; check before digging or gathering seeds
Suitable for growing in containers
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:
Non-patented
Propagation Methods:
From herbaceous stem cuttings
From woody stem cuttings
From seed; direct sow outdoors in fall
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
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