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
Arthrocereus mello-barretoi
Arthrocereus melanurus subsp. mello-barretoi
Cereus melanurus
Lophocereus melanurus
Sun Exposure
Full Sun
Sun to Partial Shade
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pale Yellow
Cream/Tan
Bloom Time
Late Winter/Early Spring
Mid Summer
Mid Winter
Other Details
Category
Alpines and Rock Gardens
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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M
(Zone 11) | September 2003 | neutral

This is a slow growing columnar cactus from the mountain tops of central Brazil, usually living on white sand, rarely seen on naked rocks...Read More

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