Cycas Species, Cycad, Madagascar Sago

Cycasthouarsii

Genus
Cycas (SY-kas)
Species
thouarsii (tho-AR-see-eye)
Synonym
Cycas circinalis subsp. madagascariensis
Cycas circinalis subsp. thouarsii
Cycas comorensis
Cycas madagascariensis
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Evergreen
Height
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Spacing
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 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
Blue-Green
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
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:

Huntington Beach, California

Reseda, California

Riverside, California

Santa Ana, California

Spring Valley, California

Thousand Oaks, California

Visalia, California

Vista, California(10 reports)

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Gardener's Notes:

3
positives
1
neutral
0
negative
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S
| April 2016 | positive

Hi I want to grow cycas thourasi plants on large scale any one can tell me where i can find there seeds please help I have desire for man...Read More

I
Riverside, CA | June 2012 | positive

Cycas thouarsii grows well here in zone 9a if it is planted in the right location.
In a hot dry sunny location it will survive fo...Read More

C
El Sobrante, CA (Zone 9b) | June 2007 | neutral

Cycas thouarsii is native to Kenya, Tanzania, Mozambique, the Comoro Islands, and Madagascar. Introduced into the Seychelles and Mauritiu...Read More

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

Common fast growing cycad that looks a lot like Cycas circinalis, only it has blue-green leaves (the new ones). Gets to be a huge plant ...Read More

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