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bright indirect light (3-6 feet from a south or west window, or right next to an east window. Under a grow light, 6-10 inches away works well) is preferred. It tolerates lower light but produces smaller, less dramatic leaves. Too much direct sun (right in the window where sun actually hits the leaves. A strong grow light 4-6 inches away can substitute) scorches the leaf edges.Light
Keep soil consistently moist but not waterlogged. Water when the top inch of soil dries out. Slow, deep watering that reaches all the roots is better than frequent shallow watering. Reduce frequency in fall and winter.Water
Prefers high humidity (60-80%. Group your plants together, set them on a pebble tray with water, or run a humidifier nearby) (50%+) and will tolerate it up to 90%. Crispy brown leaf edges indicate air that is too dry. A humidifier or pebble tray helps in dry indoor environments.Humidity
65-85°F (18-29°C). It has zero frost hardiness and will be killed by freezing temperatures. Keep it away from cold drafts.Temperature
moderateDifficulty
Philodendron selloum with large deeply lobed tropical leaves spreading from a central trunk

Selloum

Philodendron selloum

Moderate

Philodendron selloum is the bold, architectural choice in the Philodendron lineup: a non-climbing, self-heading plant that spreads outward rather than upward, producing deeply lobed, glossy dark green leaves that can reach 3 feet long on mature plants. It develops a thick, woody trunk-like base with age and the characteristic 'eye-drop' shaped leaf scars that make older specimens look genuinely sculptural. This is the plant people buy when they want to fill a corner decisively.

Care Guide

How to grow Selloum

Light

bright indirect light (3-6 feet

Water

Keep soil consistently moist but not waterlogged.

Humidity

60-80%

Temperature

65-85°F

Soil

Rich, well-draining, aerated potting mix.

Propagation

Stem cuttings with at least

Common Problems

Spider mites and mealybugs are common pests.

Did You Know

Fun Facts

In 2018, DNA analysis prompted scientists to reclassify this plant from Philodendron into a new genus called Thaumatophyllum, meaning 'wonder leaf' — though as of 2025, Plants of the World Online and other authorities still treat Thaumatophyllum as a synonym of Philodendron, so the debate is not fully settled.

Pet Safety

Toxic to pets

Toxic to humans, dogs, cats, and horses per ASPCA (listed under 'Tree Philodendron' and 'Lacy Tree Philodendron'). Contains insoluble calcium oxalate crystals causing oral irritation, swelling, drooling, vomiting, and difficulty swallowing. Wear gloves when handling to avoid skin irritation from the sap.

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