How to care for Philodendron Xanadu
Thaumatophyllum xanadu · Araceae
A compact, clumping relative of the tree philodendron with neat, deeply lobed leaves forming a dense mound rather than a vine. It stays tidy at knee height, making it a popular choice where a tree philodendron would be too much plant. Care is simple: decent light, water when partly dry, and room-temperature comfort. Water roughly every 7 days while it's growing (about every 12 in winter), give it bright, indirect light, kept above 55°F (13°C) — average room humidity suits it.
Care at a glance
Water when the top 1.5 inches (4 cm) dry out, soaking until it drains; the dense clump wilts visibly when truly thirsty.
Bright indirect light keeps the mound dense; in low light it opens up and gets leggy.
Half-strength balanced liquid fertilizer monthly in spring and summer.
Mistakes that kill this plant
- Watering on autopilot until the crown rots.
- Keeping it in deep shade where the mound collapses into legginess.
- Repeated cold drafts in winter.
Seasonal tips
- Water in the morning so the dense crown dries by night.
- Rotate weekly for an even, symmetrical mound.
- Cut watering frequency in winter and hold fertilizer.
Is it safe for pets?
We have Philodendron Xanadu recorded as toxic to cats and dogs.
Full pet-safety details for cats & dogsCare for your Philodendron Xanadu on autopilot
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Toxicity here is informational, not a safety guarantee. Those are our own records, compiled by following the ASPCA's published toxic and non-toxic plant lists and Pet Poison Helpline's plant poison list rather than copied from them — confirm anything that matters against the ASPCA's published lists, which this one is matched to, or with your vet. If your pet ingested this plant, contact your vet or the ASPCA Animal Poison Control Center at (888) 426-4435.