Encephalartos Species, Uganda Giant Cycad, Whitelock's Cycad

Encephalartoswhitelockii

Genus
Encephalartos (en-sef-uh-LAR-tos)
Species
whitelockii (white-LOK-ee-eye)
Synonym
Encephalartos successibus
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Height
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)
15-20 ft. (4.7-6 m)
Spacing
15-20 ft. (4.7-6 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
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:

Mission Viejo, California

Reseda, California

Thousand Oaks, California

Tulare, California

Miami, Florida

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Gardener's Notes:

1
positive
0
neutral
0
negative
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P
Acton, CA (Zone 8b) | January 2004 | positive

This is a truly massive species of cycad, named after one of the world's premiere cycad specialists and collectors, Loran Whitelock. Thi...Read More

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