Full Specimen Plate
Philodendron pastazanum
Pastaza Philodendron
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Philodendron pastazanum Price Guide & Auction Value
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Before You Buy
Species-specific things to check when evaluating a listing
- Confirm the rhizome is firm throughout — soft spots indicate rot
- Check there is at least one healthy growing tip visible
- Inspect leaf undersides for thrips (silvery stippling) and scale insects (small brown bumps on petioles)
- Crawling philodendrons ship poorly if carelessly packaged — check seller reviews mention careful packing
Philodendron pastazanum Morphology
About Philodendron pastazanum
Philodendron pastazanum is a crawling terrestrial rainforest aroid from the humid lowland forests of western Amazonia spanning Ecuador and Peru, growing on deep organic litter or among roots on the shaded forest floor with constant moisture and rich humus. Unlike the majority of collector Philodendrons, it spreads horizontally rather than climbing — a stout rhizome creeps along the substrate, extending feeder roots into the organic matter below, while upright petioles carry large, broadly cordate leaves of matte deep green with a broad, open sinus, rounded posterior lobes, and clear pale venation. Its leaf size combined with a terrestrial spreading habit makes it well suited to wide, low containers. As a parent of the hybrid 'Dean McDowell', it has also passed on its size and broad leaf character to one of the more widely grown crawling hybrids in the hobby.
Native Range
Ecuador
Propagation Guide
How to Propagate Philodendron pastazanum
Crawling rhizome species — take cuttings with at least one node from the rhizome. Avoid severing too close to the growing tip.
Care Guide
Philodendron pastazanum Care Guide & Growing Conditions
Chunky, well-draining mix: 40% orchid bark, 30% perlite, 20% sphagnum moss, 10% worm castings. A wide, shallow pot suits the crawling growth habit.
Water when the top 3–4 cm is dry. These terrestrial species are slightly more forgiving than climbers but still hate waterlogged roots.
65–80%. Consistent high humidity produces larger, better-formed leaves.
Quarter-strength balanced fertiliser every two weeks during the growing season. Ease off in winter.
Repot into a wider (not deeper) container when the rhizome reaches the pot edge. Every 18–24 months typically.
Common Problems
Brown leaf edges
Low humidity or cold draughts
Increase humidity and keep away from windows and vents in winter
Root rot
Overwatering or poor drainage
Repot into fresh chunky substrate; trim any affected roots
Slow growth
Low light or cold temperatures
Ensure 18–26°C and a brighter indirect light position
The Pastaza Crawler
Philodendron pastazanum is a crawling, rhizomatous Philodendron rather than a climber — it grows horizontally along the forest floor in Ecuador and Peru's humid western Amazonian forest, producing very large, round to heart-shaped leaves on long petioles. Named for the Pastaza River system. At accessible price tier. An alternative to the climbing forms for collectors who want something with different architectural intention — the crawler produces a spreading, low specimen that works well in a wide, shallow pot or as a floor plant given adequate space.
