Euphorbia tirucalli ‘Firesticks’ 15cm Pot – Pencil Cactus | Sticks on Fire | Colour-Changing Succulent

Overview

Euphorbia tirucalli ‘Firesticks’, also known as Pencil Cactus, Sticks on Fire, or Firesticks, is a bold, architectural succulent recognised for its slender, pencil-like stems that shift from green to vibrant shades of yellow, orange, and fiery red. Supplied in a 15cm pot, this plant creates instant visual impact in both indoor and outdoor spaces.

Key Benefits / Why Buy
Dynamic colour transformation – intensifies to red, orange, and yellow in full sun or cooler conditions
Architectural form – upright, branching stems create a modern statement
15cm pot size – well-established plant with strong presence
Low maintenance – highly resilient and beginner-friendly
Drought-tolerant – thrives with minimal watering
Fast-growing – quickly becomes a bold feature plant
Best Uses
Statement plant for indoor décor or bright spaces
Outdoor feature plant in pots or landscaped gardens
Patio, balcony, or courtyard styling
Modern and architectural plant displays
Large containers or minimalist plant groupings
Growing Conditions & Care

Light
Full sun to very bright light. More sunlight results in stronger red and orange colouring.

Watering
Use the soak and dry method – water thoroughly, then allow soil to dry completely before watering again.

Humidity
Prefers dry conditions; no misting required.

Temperature
Ideal range: 15–30°C. Protect from frost and cold exposure.

Soil
Well-draining succulent or sandy soil mix.

Feeding
Feed lightly during spring and summer with diluted fertiliser.

FAQs (Most Asked Questions)

Why is my plant staying green?
Insufficient sunlight. Move to a brighter location or full sun to enhance colour.

Is it suitable for indoors?
Yes, but it needs very bright light to maintain colour and structure.

How big can it grow?
It can grow into a large shrub over time, especially outdoors.

Is it easy to care for?
Yes, it’s very low-maintenance and drought-tolerant.

Is it safe to handle?
It produces a milky sap that can irritate skin and eyes—handle with care.