# Giant Dioon Cycad – Dioon Spinulosum (Living Fossil, 200 Million Years Old)

Cycads predate the dinosaurs — and the Dioon Spinulosum is one of the most magnificent alive today. Native to the humid forests of eastern Mexico, this Giant Dioon develops a stout woody trunk crowned with long, arching glossy fronds. Relatively fast-growing for a cycad, it's a landmark specimen for tropical gardens and large containers. Own a piece of prehistory.

**Key Features:**

-   Ancient lineage dating back over 200 million years
-   Large, slow-growing cycad with a thick, woody trunk
-   Long arching glossy green fronds up to 1.5–2 metres
-   Relatively fast-growing for a cycad in warm climates
-   Excellent for tropical gardens and large containers
-   Tolerates brief light frost once mature

### Growing Conditions

☀️ **Light:** Full sun to partial shade.  
🌱 **Soil:** Well-draining, rich in organic matter with sand or pumice.  
💧 **Water:** Moderate; allow soil to dry slightly between waterings.  
🌡️ **Temperature:** Best at 20–35°C; mature plants tolerate brief frost to -5°C.

## Details

- **Price:** 3500.0 INR
- **Vendor:** Seedlings India
- **Type:** Plants
- **Tags:** caudex plant, caudiciform, cycad, drought tolerant, ornamental plants, rare plants, tropical plants

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3500.00 INR | In stock |

## Images

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> Source: [Seedlings India](https://seedlingsindia.in/products/dioon-spinulosum-cycad)
> Updated: 2026-07-08