Arthrocereus
Arthrocereusmelanurus

Family: Cactaceae (kak-TAY-see-ee)
Genus: Arthrocereus (ar-throh-KER-ee-us)
Species: melanurus (mel-an-YOOR-us)

Synonym:Arthrocereus melanurus subsp. melanurus

Synonym:Arthrocereus mello-barretoi

Synonym:Arthrocereus melanurus subsp. mello-barretoi

Synonym:Cereus melanurus

Synonym:Lophocereus melanurus

Category
Alpines and Rock Gardens
Cactus and Succulents

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage

Foliage Color

Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness
USDA Zone 10a: to -1.1 °C (30 °F)

Where to Grow

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

Bloom Color
Pale Yellow
Cream/Tan

Bloom Characteristics

Bloom Size

Bloom Time
Late Winter/Early Spring
Mid Summer
Mid Winter

Other details

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 woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored