Images may show mature specimens and are provided as a guide only. As plants are living products, the size, shape and appearance of the stock supplied may vary from the images shown.
Nursery Direct
Giant Dioon
Dioon spinulosum
Everything is included in this price: the plant, free delivery and professional installation
The price you see is the whole job: the plant supplied, delivered free and professionally installed. Done for you.
Want to see the actual plant?
The photo shows this species, not the individual plant reserved for you. Send us an enquiry and we usually reply within 1 business day with photos of the actual stock available in the size you want.
Request photosHow tall it arrives: 400mm about 1.5 to 2.5m, 45L about 1.5 to 2.5m, 90L about 1.5 to 2.5m, 100L about 2.5 to 3.5m, 500mm about 2.5 to 3.5m. Heights vary with species and season. How pot sizes work
Getting it in: the largest size here needs about 900mm to 1.2m of clear access. Measure the narrowest point on the route and tell us on the booking call. Standard access is included in the price, and anything unusual is quoted and agreed with you before work begins. What happens on installation day
Looking for a larger size?
Sizes shown are the sizes we currently source in this species. If you need larger specimens, project quantities or a size not listed, our sourcing team can look for it through our national supplier network. We confirm your exact stock with you on the booking call before anything ships.
Send An EnquiryYou order. We do the rest.
After checkout, our team contacts you to confirm site access and book a day that suits. Most orders are delivered and planted within 2 to 4 weeks of your booking call. Nothing else for you to organise.
Registered Australian business, ABN 33 683 675 603. Public liability certificates available on request.
Product Details
Overview & Specifications
Giant Dioon - Dioon spinulosum
One of the most architecturally commanding cycads on the planet, the Giant Dioon carries 300 million years of evolutionary refinement into the modern landscape. Its sweeping, symmetrical fronds and imposing trunk deliver immediate structural presence, the kind that takes decades to achieve from smaller stock. At advanced size, it arrives ready to define a space.
Why Giant Dioon
Architectural Presence: Symmetrical, arching fronds and a thickening caudex create a sculptural form that reads powerfully in both formal and naturalistic compositions.
Exceptional Longevity: Among the longest-lived plants available; a specimen installed today becomes a permanent fixture of lasting value to any property.
Low Intervention: No pruning required. Naturally resistant to pests and disease, with minimal fertiliser needs once established.
Climate Resilience: Drought-tolerant and adaptable to full sun or dappled shade, performing reliably across a broad range of Australian conditions.
Specimen-Grade Rarity: Advanced stock of this scale is scarce. These are not nursery fillers, they are centrepiece plants by nature and by stature.
Toxicity warning: All parts, especially the seeds, are highly toxic to dogs and people if eaten, so consider placement in a pet household.
Ideal Applications
Formal Entry Statements: Flanking driveways, gates, or building entries where scale and permanence are required.
Resort and Hospitality Landscapes: Anchors tropical or exotic planting schemes alongside palms and large-foliage species.
Poolside and Courtyard Features: Delivers year-round structure and lush texture in hard-landscaped settings without leaf litter concerns.
Container Installation: Suited to oversized decorative vessels for terraces, rooftop landscapes, and covered entryways where in-ground planting is not viable.
Specimen & Installation
Spacing (feature/avenue): 4 to 6m
Best Planting Season: Spring to early summer
Soil & Drainage: Well-drained sandy or loamy soil; tolerates poor soils but requires good drainage; drought tolerant once established
Establishment Care: Water regularly during the first 1 to 2 years to encourage root establishment, then reduce to infrequent deep watering. Protect from frost and waterlogged conditions, particularly in the establishment phase.
Plant Details
Height: 10 to 15m
Width: 3 to 5m
Growth Rate: Slow
Foliage: Evergreen
Light: Full sun to partial shade
Native to: Mexico
Flower Colour: None
Delivery & Installation
Delivery and installation are included in your price
No freight calculators and no separate installation quote for a standard installation. Your price covers specialist plant transport, positioning and professional planting by our installation team. The whole job, handled.
- Wrapped, secured and transported by specialist plant freight.
- Professionally planted, staked and finished by our install team.
- Our team confirms site access and schedules a time that suits you.
Installation
Professional installation included, never extra
Every plant we sell is planted by our professional installation team, and it's already in the price. We coordinate the delivery, the machinery and the planting for standard site access, so your only job is choosing the tree. Unusual access or engineering requirements? We'll confirm everything with you after checkout before any work begins.
Questions? Send An EnquiryWhy Nursery Direct
Every price includes supply, delivery and installation
Buying a mature tree often means three separate jobs: the plant, the freight and finding someone to plant it. We price the whole job as one: the tree, the delivery and the professional install.
- One price: supplied, delivered and installed
- Mature trees and specimen palms at every scale
- National sourcing for hard-to-find stock
- Residential, estate and commercial projects
How It Works
Place your order. We do the rest.
We Supply
Premium advanced stock, selected from a national network of wholesale growers.
We Deliver
Specialist plant freight brings your order to your door. Free, anywhere in Australia.
We Install
Our professional team plants, stakes, mulches and finishes the job on site.







