Myrtillocactus Species, Blue Candle, Cactus Myrtle, Whortleberry Cactus

Myrtillocactusgeometrizans f. cristate

Family
Cactaceae (kak-TAY-see-ee)
Genus
Myrtillocactus (mir-til-oh-KAK-tus)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Inconspicuous/none
Bloom Time
N/A
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
Can be grown as an annual
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
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Goodyear, Arizona

Phoenix, Arizona

Carlsbad, California

Hayward, California

Mission Viejo, California

Oak View, California

Pittsburg, California

Reseda, California

Spring Valley, California

Tampa, Florida

Porter, Texas

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Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
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B
Hayward, CA | April 2019 | positive

The plant I bought had two of these great cactus in the pot. I divided them and repotted in individual pots. I just put the two in ground...Read More

O
Oak View, CA | July 2007 | positive

I bought a small plant about 7 years ago and it has grown quite well...even after being pretty much uprooted when I had to break its old ...Read More

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