Light
Bright indirect • approx. 10,000–20,000 lux


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Philodendron crassinervium is a strap-leaf philodendron best known for its long, narrow blades and the thick swollen midrib that functions as a water-storage organ. Small red glands along that midrib add another detail, giving the leaves a slightly freckled look that becomes more obvious at close range. The plant can creep or climb depending on how it is grown, which makes it more flexible than its clean outline first suggests.
Bright, indirect light keeps it stronger, though it tolerates lower light, and watering once the upper half of the mix has dried suits the water-storing structure better than constant moisture. It prefers 18–27 °C, a loose substrate with coir, bark, and perlite, and good drainage above all else.
It is a satisfying species for growers who enjoy plants with anatomy that is as distinctive as the overall silhouette.
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~30–50% dry
Substrate
Airy + fast-draining • Light moisture buffer • Bark-based • Medium-chunky
Temperature
Ideal: 18–29 °C • Avoid below: 15 °C
Humidity
Moist 50–60 %
Growth habit
Climbing hemiepiphytic herbaceous perennial.
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 250 cm • Max. spread: 100 cm
Toxicity & safety
Toxic
Origin & habitat
Tropical America; wet tropical habitat
These care values are practical reference points for indoor growing. Use them as a starting point, then adjust for your room, pot size, substrate, temperature and how quickly the plant dries.
For more context, read the full product description or visit our Plant Care Guides.
Move outside once nights stay above
16°C
Bring under cover below
15°C
Best outdoors in
Warm summer patio, Sheltered urban spot
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.