Dioon spinulosum (Giant Dioon)


Botanical Information

FamilyZamiaceae
GenusDioon
Speciesspinulosum
CategoryTropicals, Woody
TypeShrub (evergreen)
OriginNative to Mexico.

Details

USDA Hardiness Zone9b - 11
USDA Hardiness Ref.
Canadian Hardiness Zone9a and greater
Canada Hardiness Ref.
RHS Hardiness ZoneH1c - H3
RHS Hardiness Ref.
Temperature (°C)-5 to 10
Temperature (°F)23 to 50
Height5 to 15 m
Spread1.5 to 2 m
GrowthFast

Description and Growing Information

General DescriptionThis cycad is one of the tallest species in its genus. A single trunk supports large, green, leaves that radiate from the centre.
ShapeUpright, to rounded.
LandscapeRock garden, city landscaping, and as a single specimen.
PropagationPropagate by seed or division.
CultivationGrow in moist, gritty, well-drained soil in partial shade.
PestsNo notable pests or diseases.
Notable SpecimensChelsea Physic Garden, London, United Kingdom.
HabitatLimestone cliffs, rocky hillsides, and tropical rainforests.
Leaf DescriptionGreen, pinnate leaves measuring 1.5 to 2 m radiate from the top of the stem.

Photographs