Neobuxbaumia Species, Cone Cactus, Golden Saguaro, Golden-Spined Saguaro, Wax Cactus

Neobuxbaumiapolylopha

Family
Cactaceae (kak-TAY-see-ee)
Genus
Neobuxbaumia (nee-oh-buks-BAWM-ee-uh)
Species
polylopha (pol-ee-LOH-fuh)
Synonym
Pilocereus polylopha
Cephalocereus polylopha
Sun Exposure
Full Sun
Height
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
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
Scarlet (dark red)
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
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 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
Properly cleaned, seed can be successfully stored
Regional

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

Green Valley, Arizona

Phoenix, Arizona(2 reports)

San Leandro, California

Vista, California(9 reports)

Whittier, California

Grenoble, Rhône-Alpes

Beaumont, Texas

Houston, Texas

San Antonio, Texas

show all

Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
Sort By:
P
Beaumont, TX | April 2015 | positive

Beautiful cactus. It has survived 24 F here in Beaumont, TX with no damage. My plant is about 2 ft tall and I have had it for 3 years. I'...Read More

P
Acton, CA (Zone 8b) | March 2004 | positive

Very tall, deeply ribbed, rarely branching (if does, tend to be little curved branches), thick columnar plant. Dark red flowers near top of plant.

Featured
Pink-barred Pseudeustrotia moth
(Pseudeustrotia carneola)
Orchard Oriole
(Icterus spurius)
Featured
Pink-barred Pseudeustrotia moth
(Pseudeustrotia carneola)
Orchard Oriole
(Icterus spurius)