Dioon spinulosum

giant dioon

This cycad makes a statement indoors or in mild-climate gardens. Beautiful in pots. Needs good drainage, regular water in warm seasons. Grows large over decades in the garden.

Altura4–20 pies
Ancho4–10 pies
ToleraSequía, Calor, Macetas
RiegoBajo – Moderado

Cycads need good drainage to thrive, and this one requires average water once established. Water it deeply when the plant is mostly dried out, but not completely dry.

Resiste hasta25 °F
ExposiciónSombra total – Pleno sol
CaracterísticasProduce hijuelos, Tropical, Forma tronco
Interior / exteriorInterior o exterior
DrenajeEn el suelo: mezcla para cactus, En maceta: mezcla para cactus, Tolera suelo arenoso
FertilizaciónUso general
OrigenMéxico
Nativa de CaliforniaNo
Zonas Sunset13, 19–24, H2

Notas de cultivo

Indoors be sure this plant does best if it gets some sun during the day, but can also grow in bright indirect light. Be sure to keep it back from high traffic areas as damaged leaves do not recover.

Cycads look adorable when they're small! And it's a good thing, too, because these plants are slow-growing (though this one is fast... for a cycad), taking decades to become large specimens, and much longer to achieve the scale of plants in habitat. Cycads flush leaves infrequently, often only once a year, but when they do it's quite the show, as they flush a whole crown of leaves all at once.

Since cycad leaves are slow to replace themselves, be extra careful not to physically damage them.

As older leaves turn brown, they can be pruned back to the trunk and removed.

Be sure to fertilize your cycad in the spring through summer. Without a good amount of food, your cycad might skip a year of flushing its leaves!

Interés especial

Cycads look like palm trees, but they are gymnosperms that bear either male or female cones, making them more closely related to a pine tree than a palm tree. Their similar appearance is created by convergent evolution, whereby dissimilar plants adapt similar forms to survive.

Since they require a male and female plant to produce and are very slow growing, large cycads are usually quite expensive and rare.

The oldest potted plant on earth is a cycad: Encephalartos altensteinii in the Kew Gardens collection. This plant was brought to England and planted there in 1775, when it was already likely quite old.

A Cycas rumphii was planted in the Lincoln Park Conservatory in Chicago to mark its completion in 1890. It was estimated at over a hundred years old when planted, and it still grows in the collection today. It is older than Chicago itself, which was incorporated in 1833.

Esta información refleja las observaciones de Grubb and Nadler y de nuestra comunidad de amantes de las plantas. Siempre tomamos en cuenta las aportaciones de otros horticultores y agradecemos los comentarios de quienes tengan más información sobre el cultivo de esta planta.

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