Dioon spinulosum

Dioon spinulosum - Giant Dioon
Common Name Giant Dioon
Type of Plant Cycad

Solitary, pinnate cycad. Trunk to 35 feet with 10 inch diameter. Light to medium green leaves have spines along leaflet edges. Overall height to 45 feet.

Requirements Prefers alkaline to neutral, well-drained soils. Growth rate medium. Tolerates brief cold dips to just under freezing. Has a slight salt tolerance.
Country of Origin Mexico
Cold Tolerance 30
Sun Needs Full Sun
Water Needs Little
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