Fishtail Palm (Caryota mitis) Photo: Stan Shebs / CC BY-SA 3.0

Fishtail Palm Care

Caryota mitis · Arecaceae

⚠️ Toxic to pets 🎯 Moderate ☀️ Bright indirect 💧 Every 5–10 days
🕮 8 min read 🕓 Last reviewed: 2026-08-23

Care at a glance

Watering
Every 5–10 days
Light
Bright indirect
Temperature
18–29 °C (64–84 °F)
Humidity
High
Soil
rich, moisture-retentive but well-draining mix
Difficulty
Moderate
Mature size
150–300 cm (59–118 in)
Pet safety
Toxic to pets

The short version

  • A little attention keeps it happy.
  • Give it Bright indirect.
  • Water every 5–10 days.
  • Keep away from cats and dogs.

The Fishtail Palm (Caryota mitis) is a popular houseplant from the Arecaceae family, native to Southeast Asia. It is rated Moderate to grow and typically reaches 150–300 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 asCaryota mitisクジャクヤシ鱼尾葵Palma cola de pezPalmier queue-de-poisson

📋Quick facts

Growth rateModerate
Mature size150–300 cm (59–118 in)
Native regionSoutheast Asia
Plant familyArecaceae
ToxicityMildly toxic
Air-purifyingYes
Ideal forfilling a corner

⚖️Pros & cons

Pros

  • Popular air-freshening pick
  • Big, room-defining presence

Cons

  • Toxic to cats and dogs
  • Needs high humidity to look its best
  • Eventually needs plenty of room

💧Watering

Water your Fishtail Palm roughly every 5–10 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.

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☀️Light & placement

The Fishtail Palm 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 18–29 °C and away from cold draughts and heating vents. It prefers High humidity; if your air is dry, group it with other plants or use a humidifier.

🪴Soil & feeding

Plant it in rich, moisture-retentive but well-draining mix. Feed with a balanced liquid feed monthly in spring and summer, and stop feeding in autumn and winter when growth slows.

🗓️Season-by-season care

SeasonWateringWhat 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:

seed

  1. Sow fresh seed onto the surface of moist, fine seed-starting mix.
  2. Cover lightly only if the seed needs darkness; most need warmth of 20–25 °C.
  3. Keep humid under a clear cover in bright, indirect light.
  4. Germination ranges from days to months depending on the species — be patient.
  5. Prick seedlings out into their own small pots once they have a few true leaves.

division at repotting

  1. Water the plant the day before to reduce stress on the roots.
  2. Slide it out of its pot and gently shake off the loose soil.
  3. Tease the root ball into sections, each with healthy roots and a few shoots.
  4. Pot each section into fresh mix at its original depth.
  5. Water them in and keep out of direct sun for a week while they recover.

🔬Classification

Plant typePalm
GenusCaryota
FamilyArecaceae · Arecaceae
Native toSoutheast Asia

🩺Common problems

SymptomLikely causeWhat to do
Brown, crispy tipsDry air, or salts and fluoride from tap waterRaise humidity and water with filtered or rested water.
Pests (mites, mealybugs)Dry conditions or a new infected plantWipe the leaves, rinse, and treat with insecticidal soap or neem.
Yellowing leavesUsually overwatering or poor drainageLet the soil dry more between waterings and make sure the pot drains.

🩺 Plant Doctor →

🐛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?

The Fishtail Palm is toxic to cats and dogs (calcium oxalate raphides (in sap and fruit)). Keep it out of reach of pets and children. If you think an animal has chewed it, contact your vet or a pet poison line. If a curious cat or dog chews it, the insoluble calcium oxalates act like tiny needles, causing intense burning of the mouth, drooling, pawing at the mouth, and sometimes swelling that makes swallowing hard. It is rarely life-threatening in small amounts, but rinse the animal’s mouth, take away any plant pieces, and call your vet if symptoms are severe or last more than a short while.
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.

Frequently asked questions

Is the Fishtail Palm toxic to cats and dogs?

Yes — the Fishtail Palm is toxic to cats and dogs (calcium oxalate raphides (in sap and fruit)). Keep it out of their reach.

How often should I water a Fishtail Palm?

About every 5–10 days — let the top few centimetres of soil dry out first, then water thoroughly and drain.

How much light does a Fishtail Palm need?

Bright indirect. Keep it out of harsh direct midday sun unless it is a full-sun plant.

Why does my Fishtail Palm have Brown, crispy tips?

Dry air, or salts and fluoride from tap water. Raise humidity and water with filtered or rested water.

How often should I repot a Fishtail Palm?

About every 2 years, ideally in spring. Move up just one pot size when the roots fill the pot or creep out of the drainage holes.

How fast does a Fishtail Palm grow?

It is a Moderate grower, with most of its growth in the brighter, warmer months of spring and summer.

How big does a Fishtail Palm get indoors?

Usually 150–300 cm indoors, depending on light, pot size, and how long you have had it.

Is the Fishtail Palm an air-purifying plant?

It is one of the leafy plants often chosen to help freshen indoor air. Treat air purifying as a small bonus, not a replacement for ventilation.

Is the Fishtail Palm easy to care for?

It is rated moderate. With a consistent routine it does well.

📚Sources & further reading

Care values reflect established horticultural guidance; toxicity is cross-referenced with the ASPCA.

Last reviewed: 2026-08-23

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