Can I grow this indoors?

It is difficult due to its massive size and need for intense light.

How do I handle the leaves?

Always wear thick gloves because the edges are serrated and very sharp.

Plant guide

Screw pine.

Pandanus tectorius

Pronounced pan-DAY-nus tek-TOR-ee-us

Pandanus tectorius — Photo by Damien O'Donnell (CC BY) via gbif

The screw pine is a striking tropical plant known for its unique, spiral leaf arrangement and prop roots. It thrives in coastal areas and makes a bold statement in warm climates. You will love how its architectural form adds a touch of the islands to your space.

At a glance

Care level: Moderate
Plant type: Tropical evergreen tree
Light: Full sun to partial shade
Indoor light: Direct sun
Water: Every 5 to 10 days
Mature size: 20 feet
Growth rate: Medium
Hardiness: USDA 10 to 12
Bloom time: Sporadic throughout the year

Care

Keep the soil consistently moist but never soggy to mimic its native tropical environment. Watch for yellowing leaves, which often signal that the plant is getting too much water or lacks proper drainage. Ensure it has plenty of space to accommodate its wide, spreading habit as it grows.

Watering: Water when the top inch of soil feels dry to the touch.
Feeding: Apply a balanced liquid fertilizer during the active growing season.
Pruning: Trim away dead or damaged lower leaves to maintain a tidy appearance.
Repotting: Repot only when the plant becomes root bound or outgrows its container.
Soil: Well draining sandy or loamy soil
Soil pH: 6.0 to 7.5
Temperature: 15 to 35°C
Humidity: 60 to 90%
Drought tolerance: Moderate
Lifespan: Long-lived perennial, often lasting several decades.
Fragrance: Light
Deer and rabbits: High

Signs it needs repotting

Roots growing out of the drainage holes.
Stunted growth despite proper care.
Soil drying out too quickly.

Safety

People: The raw fruit contains calcium oxalate crystals that can irritate the mouth and throat if eaten without proper preparation. The leaves are not considered toxic, but their spiny edges can cut skin.
Pets: This plant is generally considered non toxic to cats and dogs.
Children: The sharp, saw-like edges of the leaves pose a significant risk of cuts to children.
Contact allergens: The serrated leaf margins are sharp and can cause painful lacerations to the skin.
Airborne allergens: The pollen can cause mild respiratory irritation in sensitive individuals.
Edibility: The fruit is edible but must be prepared correctly to remove calcium oxalate crystals that cause irritation.

How to identify it

Long, sword shaped leaves
Leaves arranged in spirals
Prominent aerial prop roots
Large, pineapple like fruit clusters

Height: 3 to 6m
Spread: 2 to 4m
Leaves: green, blue-green, evergreen
Flowers: white, cream, 5 to 15cm
Fruit: orange, red, yellow, Year round

Problems to watch for

Leaf SpotCommon
MealybugsCommon
Brown Leaf EdgesUncommon
Root RotUncommon
Scale InsectsUncommon
Sooty MoldUncommon

By symptom

Plant problems by symptom

Check your screw pine from a photo

Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

Growing it

Propagation: seed, cuttings
When to plant: spring, summer
Overwintering: Move to a frost-free location if temperatures drop below 10 degrees Celsius. Keep the plant in a bright spot and reduce watering significantly.
In containers: It can be grown in very large containers while young, but it will eventually outgrow any standard pot.

Stem Cuttings

1. Select a healthy side shoot.
2. Cut a 20 to 30 cm section.
3. Allow the cut to callous for a few days.
4. Plant in well-draining sand.
5. Keep moist until rooted.

Plant in groups to create a windbreak effect that protects smaller coastal plants.

Grows well with

Coconut Palm · They share similar coastal environmental requirements.
Beach Morning Glory · It acts as a ground cover that stabilizes the sand around the roots.

Similar species

Pandanus amaryllifolius · A smaller relative often grown for its fragrant leaves.

Science

Family: Pandanaceae
Genus: Pandanus
Order: Pandanales
Class: Liliopsida
Native range: Tropical coastal regions of the Pacific and Indian Oceans.
Conservation: It is widely distributed and not currently considered threatened in its native range.

It thrives in sandy, saline soils and is highly adapted to salt spray and periodic flooding.

Value to wildlife: nectar source, provides nesting habitat
Pollinators: bees, moths
Uses: coastal erosion control, thatching material, edible fruit, ornamental

Through the year

JFMAMJJASOND

Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 8/9
Soil reaction: 7/9
Light: 8/9
Temperature: 9/9
Moisture: 6/9
Nutrients: 4/9

Taxonomy resolved against GBIF.

Questions people ask

Can I grow this indoors?: It is difficult due to its massive size and need for intense light.
How do I handle the leaves?: Always wear thick gloves because the edges are serrated and very sharp.

Where the name comes from

Pandanus comes from the Malay word pandan, while tectorius refers to its use in thatching roofs.

Good to know

The fruit looks like a giant pineapple.
It is often called the screw pine because of the spiral arrangement of its leaves.
The leaves are traditionally woven into mats and baskets.
It is a foundational species for many Pacific island ecosystems.

Also in

Deer-resistant plants

Keep your screw pine growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

Get the app

This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.