Dioon spinulosum, giant dioon or spiny dioon, is a cycad endemic to limestone cliffs and rocky hillsides in the tropical rainforests of Veracruz and Oaxaca, Mexico. It is one of the tallest cycads in the world, growing to 16 meters in height.

Giant dioon (Dioon spinulosum) is a tall, low-maintenance cycad ideal for patios and containers, thriving in full sun and subtropical winter interest.

Dioon spinulosum

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