Medusa's Head Air Plant (Tillandsia caput-medusae)

Photo: Wikimedia Commons / CC BY-SA 3.0

Medusa's Head Air Plant Care

Tillandsia caput-medusae · Bromeliaceae

🐾 Pet-safe 🎯 Easy ☀️ Bright indirect 💧 Every 7–12 days

🕮 7 min read 🕓 Last reviewed: 2026-08-23

Care at a glance

Watering

Every 7–12 days

Light

Bright indirect

Temperature

13–32 °C (55–90 °F)

Humidity

Average

Soil

no soil — grows mounted, misted, or soaked

Difficulty

Easy

Mature size

10–25 cm (4–10 in)

Pet safety

Pet-safe

Care effort Low

The short version

Beginner-friendly and forgiving.
Give it Bright indirect.
Water every 7–12 days.
Safe around cats and dogs.

The Medusa's Head Air Plant (Tillandsia caput-medusae) is a popular houseplant from the Bromeliaceae family, native to Central America. It is rated Easy to grow and typically reaches 10–25 cm indoors. Here is everything you need to keep it healthy — watering, light, humidity, feeding, propagation, and pet safety. It is a Moderate grower, putting on most of its growth in the warm, bright months of spring and summer.

Also known asTillandsia caput-medusaeチランジア・カプトメドゥーサエ女王头空气凤梨Cabeza de MedusaTête de Méduse

📋Quick facts

Growth rate	Moderate
Mature size	10–25 cm (4–10 in)
Native region	Central America
Plant family	Bromeliaceae
Toxicity	Non-toxic
Air-purifying	No
Ideal for	beginners, homes with pets, frequent travellers

⚖️Pros & cons

Pros

Non-toxic to cats and dogs
Hard to kill; great for beginners
Compact — fits a desk or shelf

Cons

💧Watering

Water your Medusa's Head Air Plant roughly every 7–12 days, letting the top few centimetres of soil dry out between waterings. Always empty the saucer so the roots never sit in water — overwatering is the most common way this plant is lost.

Not sure when to water? Push a finger 2–3 cm into the soil and water only when it feels dry at that depth — a cheap moisture meter or the weight of the pot works too. Water thoroughly until it runs from the drainage holes, then tip away anything left in the saucer. Soft, yellowing lower leaves usually mean too much water; crispy, curling leaves usually mean too little. Always ease off in the darker months, when the plant drinks far less.

Never forget to water

Adds a repeating event to Google Calendar every 10 days.

📅 Add a watering reminder

☀️Light & placement

The Medusa's Head Air Plant likes bright, indirect light — near a window but out of direct midday sun, which can scorch the leaves.

Set it right beside an east window, or just back from a south/west one behind a sheer curtain, so it gets plenty of light without direct midday rays on the leaves. Rotate the pot weekly for even growth, and dust the leaves so they can drink in the light.

🌡️Temperature & humidity

Keep it between 13–32 °C and away from cold draughts and heating vents. It prefers Average humidity; if your air is dry, group it with other plants or use a humidifier.

🪴Soil & feeding

Plant it in no soil — grows mounted, misted, or soaked. Feed with a diluted bromeliad feed once or twice a month, and stop feeding in autumn and winter when growth slows.

🗓️Season-by-season care

Season	Watering	What to do
Spring (Mar–May)	Resume regular watering as growth restarts.	The main growing season begins — start feeding again, repot if it is pot-bound, and take cuttings now for the best success.
Summer (Jun–Aug)	This is the thirstiest season; check the soil more often.	Keep feeding on schedule, watch for pests in the warmth, and shield the leaves from scorching midday glass. Higher humidity is welcome.
Autumn (Sep–Nov)	Let the soil dry a little longer between waterings.	Taper off feeding as growth slows, and move the plant away from cold windows and doorways before the first chills.
Winter (Dec–Feb)	Water sparingly — overwatering now is the number-one killer.	Stop feeding, give it the brightest spot you have, and keep it away from radiators, heat vents, and cold draughts.

🪟Repotting

Repot roughly every 2 years, ideally in spring as growth picks up. Move up just one pot size (2–3 cm wider) with drainage holes — too big a pot holds water and invites root rot. Signs it is time: roots creeping from the drainage holes or circling the surface, water running straight through, or growth that has stalled. In the years you do not repot, scrape off and replace the top few centimetres of soil.

✂️How to propagate, step by step

Spring and early summer, during active growth, give the best success. Here is how to do it, step by step:

offsets (pups)

Wait until the offset (pup) is about a third the size of the parent.
Unpot the plant so you can see where the pup joins it.
Separate the pup, keeping as many of its own roots as you can.
Let any succulent cuts callus for a day; pot rooted pups straight away.
Plant in suitable mix and water lightly until it establishes.

🔬Classification

Plant type	Air plant
Genus	Tillandsia
Family	Bromeliaceae · Bromeliaceae
Native to	Central America

🩺Common problems

Symptom	Likely cause	What to do
Soft, mushy base (root rot)	Waterlogged soil	Repot into fresh dry mix, trim rotten roots, and water less.
Brown, crispy tips	Dry air, or salts and fluoride from tap water	Raise humidity and water with filtered or rested water.

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🐛Pests & prevention

The usual indoor pests are spider mites (fine webbing, speckled leaves), mealybugs (white cotton-wool tufts), scale (small brown bumps), and fungus gnats (tiny flies from soggy soil). Inspect any new plant before it joins the others, wipe the leaves now and then, and let the topsoil dry to keep gnats away. At the first sign, isolate the plant, wipe or rinse off what you can, and treat with insecticidal soap or neem oil every week until it is clear.

🐾Is it safe for pets?

Good news for pet owners: the Medusa's Head Air Plant is considered non-toxic to both cats and dogs by the ASPCA. It is one of the safer choices for homes with animals, though eating any plant can still cause mild stomach upset.

Toxicity information is a general guide based on ASPCA data. If your pet or child may have eaten any part of a plant, contact a vet or poison control right away.