Light
Bright indirect • approx. 10,000–20,000 lux
Araceae
Philodendron radiatum
- Curated selection:
Every plant is hand‑picked for health and visual appeal, so you receive a strong, well‑established plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal, your plant will still match in type and quality.
- Size details:
Listed sizes refer to pot diameter (cm) and approximate overall height (cm) from the base of the pot to the tallest leaf or stem.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
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Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.
- Care basics , Main hub with links to all houseplant care guides.
- After delivery & first week , Unpacking, first placement, and early recovery.
- Light, How much light houseplants really need indoors.
- Watering , When to water and how to avoid root rot.
- Substrates & roots, Potting mixes and drainage for strong root systems.
- Humidity, When humidity matters and what actually helps.
- Fertilizing, Simple feeding routine without burning roots.
- Problems & pests, Yellow leaves, brown tips, bugs, and fixes that work.
- Semi-hydro, How to run low-maintenance mineral substrates.
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Care at a glance
Philodendron radiatum
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
recommended
Growth speed
Average
Max size indoors
Max. height with support: 250 cm • Max. spread: 100 cm
Toxicity & safety
Toxic
Origin & habitat
Native from Mexico to Colombia
Outdoor growing
Outside from 15 °C · sheltered spot
How to read these values
These care values are quick reference points for indoor growing. Use them as a guide, then adjust for pot size, substrate, temperature and how quickly the substrate dries.
For more detail, read the full product description or visit our Plant Care Guides.
- Light: level and approximate lux at leaf level.
- Watering: “% dry” shows how far the substrate should dry before watering again.
- Substrate: structure, drainage, moisture retention, base material and particle size.
- Temperature: “Ideal” shows the preferred range; “Avoid below” marks the cold-stress threshold.
- Humidity: target range; steady conditions usually matter more than exact numbers.
- Growth habit: how the plant grows, such as upright, climbing, trailing, clumping or rosette-forming.
- Support: whether a stake, pole or trellis is needed, optional or unnecessary.
- Growth speed: expected pace under suitable indoor conditions; use as a guide, not a promise.
- Max size indoors: realistic long-term indoor size under good conditions.
- Toxicity & safety: irritation, toxicity or physical hazards such as spines or bristles.
- Origin & habitat: native range, hybrid background or typical habitat where relevant.
- Outdoor growing: when a potted indoor plant can be placed outside and what outdoor protection it needs.
Philodendron radiatum
Philodendron radiatum is a climbing Araceae species from Mexico to Colombia. Young plants can carry simpler leaves, while mature climbing growth develops deeply divided blades with radiating segments.
The mature leaf form appears gradually as the stem gains height on support. Bright indirect light, warmth, steady moisture and an airy root zone help the plant move from juvenile foliage into its more divided adult shape.
Philodendron radiatum juvenile leaves and mature divided blades
- Family: Araceae, the aroid family.
- Leaf development: Juvenile leaves are simpler than the mature divided blades.
- Mature foliage: Adult leaves develop deep cuts and radiating segments.
- Growth habit: Wet-tropical climber that grows best on a stable pole or board.
- Range: Native from Mexico to Colombia.
- Indoor growth: Mature leaf division takes time, vertical support, bright indirect light and an airy substrate.
- Growth rate: Usually moderate in warm, bright, humid conditions, with slower growth during cooler darker periods.
How young Philodendron radiatum leaves become divided
Philodendron radiatum shifts from simpler juvenile blades to deeply divided adult leaves. Early foliage can stay plain while the plant is still young, and stronger segmentation appears as the climbing stem matures.
In habitat, Philodendron radiatum grows in wet tropical forest, where climbing stems develop in warm, humid, filtered-light conditions. Indoors, a vertical support gives the stem a stable route upward and helps the divided leaves expand with less crowding.
Philodendron radiatum care for divided climbing growth
- Light: Bright indirect light supports steady growth without scorching the divided blades.
- Water: Water when the upper part of the substrate has started to dry; heavy wet soil can damage the roots.
- Humidity: Moderate to high humidity keeps expanding divided leaves from catching or tearing during unfurling.
- Temperature: Keep warm and stable, with protection from cold draughts.
- Substrate: Use a chunky, airy aroid mix that drains quickly but does not dry out completely between waterings.
- Support: A moss pole, board or similar vertical surface keeps the stem upright as it lengthens.
- Space: Leave room around the support so mature divided blades do not rub against walls or neighbouring plants.
- Repotting: Repot when roots fill the pot, the mix has compacted or the support no longer suits the stem height.
- Fertilising: Feed lightly during active growth; reduce feeding when growth slows.
- Propagation: Root stem cuttings with at least one node in warm humid conditions and an airy propagation medium.
- Pruning: Remove damaged leaves at the petiole base or shorten an overlong stem above a healthy node.
- Semi-hydroponics: Semi-hydro is possible with adapted roots and a clean, oxygenated mineral substrate.
Leaf damage, simple leaves and root stress in Philodendron radiatum
- Simple leaves: Juvenile plants and unsupported stems often produce less divided foliage.
- Mechanical damage: Deeply cut blades can tear where they rub against hard surfaces or neighbouring plants.
- Root rot: Dense wet substrate can cause yellowing, weak growth and root loss.
- Leaf scorch: Direct sun can mark the thin edges of divided mature leaves.
- Pests: Inspect new leaves, petioles and leaf undersides for thrips, spider mites, mealybugs and scale.
Philodendron radiatum toxicity for pets and children
Philodendron radiatum contains irritating calcium oxalate crystals. Keep it away from pets and small children, especially where leaves or stems could be chewed.
Botanical background of Philodendron radiatum
Philodendron was published by Heinrich Wilhelm Schott in Wiener Zeitschrift für Kunst, Litteratur, Theater und Mode 3: 780 in 1829, and the genus name comes from Greek-derived roots meaning “tree-loving.” Philodendron radiatum was described by Heinrich Wilhelm Schott and published in Oesterreichisches Botanisches Wochenblatt 3:378 in 1853. The epithet radiatum means radiating or ray-like, referring to the mature leaf divisions that spread from the blade.
A climbing Philodendron with juvenile-to-adult leaf change, deeply divided mature blades and a radiating leaf outline on support.
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.
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Philodendron radiatum
Sale price€8,75
FAQs about Philodendron radiatum – leaf division, larger leaves, and support choice
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