Encephalartos Species, Altenstein's Cycad, Bread Tree, Eastern Cape Giant Cycad, Prickly Cycad

Encephalartosaltensteinii

Genus
Encephalartos (en-sef-uh-LAR-tos)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
This plant is resistant to deer
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Spacing
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 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
Seed is poisonous if ingested
All parts of plant are poisonous if ingested
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Cycads
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting
Regional

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

El Cerrito, California

Mission Viejo, California

Reseda, California

Thousand Oaks, California

Brookings, Oregon

Harbor, Oregon

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Gardener's Notes:

2
positives
0
neutral
0
negative
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C
El Sobrante, CA (Zone 9b) | June 2007 | positive

Encephalartos altensteinii is native to Cape Province, South Africa.

It grows in bush and forest habitats, where annual ra...Read More

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

One of the most common Encephalartos in cultivation, this large S African cycad can make a great, but sharp, landscape plant in most any ...Read More

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