ðŸŒą PropagateDirectory
Plants / Pencil Cactus

Pencil Cactus

Euphorbia tirucalli

Also known as: Firestick, Sticks on Fire

⚠ïļ Toxic to petsEuphorbiaceaeEasy to propagate

A complete guide to growing and propagating Pencil Cactus: its care needs, how to take cuttings and root them, how long propagation takes, and how to fix the most common problems.

Pencil Cactus care at a glance

☀ïļ Light
Bright light with several hours of direct sun.
💧 Water
Water sparingly when fully dry; very drought tolerant.
ðŸŠī Soil
Gritty, fast-draining mix.
ðŸ’Ļ Humidity
Prefers dry air.
ðŸū Toxicity
Toxic to cats and dogs; caustic white sap — wear gloves.

Track your pencil cactus cuttings & propagation in SnipLog

Log when you took each cutting, set rooting reminders, and watch your propagation timeline — free on iPhone.

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How to propagate Pencil Cactus

Stem cuttings

Difficulty: EasyTimeline: Roots in 3-5 weeks after callusing.
  1. Wearing gloves and eye protection, cut a stem and rinse off the sap.
  2. Let it callus for several days.
  3. Insert into dry gritty mix and water sparingly until rooted.

Common Pencil Cactus problems & fixes

Yellowing/dropping stems

Overwatering. Let soil dry fully between waterings.

Faded color

More direct sun brings out the red/orange firestick tips.

Soft, wrinkled stems

Underwatering or root rot. Check roots and adjust.

Track your pencil cactus cuttings & propagation in SnipLog

Log when you took each cutting, set rooting reminders, and watch your propagation timeline — free on iPhone.

Get SnipLog →

Toxicity notes are a general guide based on ASPCA-style classifications — if a pet ingests any houseplant, contact your vet. Care needs vary with your home's conditions.