Cleistocactus Species, Firecracker Cactus, Scarlet Bugler

Cleistocactusbaumannii

Family
Cactaceae (kak-TAY-see-ee)
Genus
Cleistocactus (Kly-stoh-KAK-tus)
Synonym
Cleistocactus aureispinus
Cleistocactus baumannii subsp. baumannii
Cereus baumannii
Sun Exposure
Full Sun
Sun to Partial Shade
Height
4-6 ft. (1.2-1.8 m)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
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
Red
Bloom Time
Mid Summer
Other Details
Category
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
Regional

This plant is said to grow outdoors in the following regions:

Chandler, Arizona

Phoenix, Arizona(2 reports)

San Marino, California

Henderson, Nevada

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Gardener's Notes:

0
positive
1
neutral
0
negative
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P
Phoenix, AZ | February 2015 | neutral

Central Phoenix -- Cleistocactus baumannii does well in my yard, but requires frequent pruning to keep it contained. It has long, weak s...Read More

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