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Dioon spinulosum

Gum Palm, Giant Dioon, Mexican Dioon

Dioon spinulosum is a majestic cycad native to Mexico and prized for its bold, architectural presence. Known as one of the tallest cycads in the world, it produces a stout trunk topped with a crown of elegant, feathery fronds. Well suited to New Zealand’s warmer regions, it adds a prehistoric yet refined look to landscapes. With its longevity, resilience, and striking form, Dioon spinulosum is perfect for gardeners seeking a unique and dramatic feature plant.

A Dioon spinulosum specimen tree with lush, green fronds.
A young Dioon spinulosum plant in a pot for sale.
A large Dioon spinulosum plant in a pot for sale.

Dioon spinulosum (Gum Palm) is currently unavailable.

Why? Our plants are subject to seasonality and high-demand. Please contact us if you would like to know when it becomes available again.

Suited to regions:Subtropical, Temperate
Plant type:Palms
Height:4.00 m
Spread:3.00 m
Flowering time:
Tolerances:Extended dry periods
Garden uses:Living areas, Parks, Pool areas, Screening, Specimen
Garden styles:Architectural, Backyard, City & Courtyard, Frontyard, Mediterranean, Modern, Tropical
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asGum Palm, Giant Dioon, Mexican Dioon
Sku16473

How to grow Dioon spinulosum in NZ

To grow Dioon spinulosum in NZ, select a sunny to partially shaded site with free draining soil. This cycad is best suited to frost free areas but can tolerate light frosts once established. Water regularly when young to encourage deep root growth, but avoid waterlogging. Apply a slow release fertiliser in spring and summer to promote healthy foliage. With proper care, Dioon spinulosum establishes steadily and becomes a long lived garden specimen.

Dioon spinulosum care tips

Caring for Dioon spinulosum is simple and rewarding. Water moderately, ensuring the soil is allowed to dry slightly between waterings. Mulch around the base to retain soil moisture and suppress weeds. Remove old fronds as they age to maintain a tidy appearance. Feed twice yearly with a fertiliser designed for cycads or palms to encourage strong growth. Naturally hardy and pest resistant, Dioon spinulosum requires minimal maintenance once established.

Dioon spinulosum size, spacing, and growth rate

Dioon spinulosum is a slow growing cycad that can eventually reach 6–12 metres tall with a broad crown of up to 5 metres wide. In New Zealand gardens it usually remains smaller but still makes an impressive statement. Space plants 3–5 metres apart to allow for mature growth. Though slow to develop, its bold structure and evergreen foliage make Dioon spinulosum a highly rewarding and long lasting feature plant.

Landscaping uses for Dioon spinulosum

Dioon spinulosum is an outstanding choice for creating dramatic focal points in NZ gardens. Its bold and symmetrical growth makes it ideal as a specimen in lawns, courtyards, or large garden beds. It pairs beautifully with tropical or subtropical plantings and also suits modern, architectural landscapes. Dioon spinulosum adds texture, structure, and a timeless prehistoric character, making it one of the most striking cycads for landscaping projects.

Why buy Dioon spinulosum from The Plant Company?

Purchasing Dioon spinulosum from The Plant Company ensures you receive a premium quality cycad grown under NZ conditions. As New Zealand’s most trusted plant nursery, we are committed to delivering only the best plants. Each Dioon spinulosum is carefully nurtured and packaged to arrive safely. With expert advice and fast nationwide delivery, The Plant Company is your best choice for adding this majestic cycad to your garden or landscaping project.

Questions and Answers

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