Loose Spike Pandanus Plant Care
Pandanus laxespicatus Martelli
Updated · Sources · How we source care data
Pandanus laxespicatus is a screwpine or pandan of the wetlands of Madagascar, and belonging to the monocot family Pandanaceae. It was of fairly recent discovery, having been unknown to science prior to 1951 when described by Martelli and Pichi-Sermolli.
Every 7–14 days
Full sun to partial shade
65–85°F
50–80%
At a glance
How do you care for Loose Spike Pandanus?
Plant Loose Spike Pandanus in full sun to partial shade (USDA zones 13b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 65–85°F (18–29°C). Fertilize it every 6 months during the growing season.
What Is the Loose Spike Pandanus?
Loose Spike Pandanus (Pandanus laxespicatus) belongs to the Pandanaceae family within the Pandanus genus.
Loose Spike Pandanus displays a tall, palm-like tree growth habit, reaching up to 20 ft tall with a spread of approximately 10 ft. Loose Spike Pandanus produces fragrant white flowers on long spikes.
Leaf size: approximately 24 inches.
How Often Should You Water a Loose Spike Pandanus?
Water a young or newly planted Loose Spike Pandanus every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–14 days
Until established; then in dry spells
What Light Does the Loose Spike Pandanus Need?
Loose Spike Pandanus thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Loose Spike Pandanus Prefer?
Pandanus laxespicatus tolerates temperatures of 65–85°F. Loose Spike Pandanus prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–85°F
Humidity
50–80%
What Soil Mix Works Best for a Loose Spike Pandanus?
Loamy, well-draining soil with added sand and peat moss. Good drainage is essential for Loose Spike Pandanus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Loose Spike Pandanus?
Feed Loose Spike Pandanus every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Loose Spike Pandanus?
Choose a spot with full sun to partial shade and loamy, well-draining soil with added sand and peat moss. Avoid low spots where water collects after rain.
Loose Spike Pandanus is suited to USDA Zone 13b.
Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Loose Spike Pandanus?
Loose Spike Pandanus can spread to about 10 ft (3 m) and reach about 20 ft (6 m) tall. Space plants about 10 ft (3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the tree spacing calculator.
How Do You Prune a Loose Spike Pandanus?
Prune Loose Spike Pandanus while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.
How Do You Care for a Loose Spike Pandanus in Winter?
Loose Spike Pandanus is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Loose Spike Pandanus?
Loose Spike Pandanus can be propagated through air layering, stem cuttings. Similar propagation techniques also apply to barkley pandanus plant care, which shares the same genus.
Is the Loose Spike Pandanus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Loose Spike Pandanus, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Loose Spike Pandanus?
Loose Spike Pandanus is susceptible to spider mites, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Loose Spike Pandanus Need?
Loose Spike Pandanus grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Loose Spike Pandanus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Loose Spike Pandanus is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Pandanus genus — compare its care with other Pandanus species on PlantoScan.
Pandanus is part of the Pandanaceae plant family — browse all Pandanaceae genera and species.
Loose Spike Pandanus thrives in bright light and direct sun — see other bright-light plants.
More Pandanus Species
Other Pandanus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Pandanus laxespicatus Martelli, family Pandanaceae (first published in Mém. Inst. Sci. Madagascar, Sér. B, Biol. Vég. 3: 126 (1951)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Loose Spike Pandanus, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13b, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
