Fertilising guide
How to fertilise Philodendron Rugosum (Pigskin) (Philodendron rugosum)— schedule & NPK
Also called Pigskin Philodendron, Pig Skin Philodendron, Sow's Ear Plant, Naugahyde Philodendron.
More about philodendron rugosum (pigskin)
About Philodendron Rugosum (Pigskin)
Philodendron rugosum · also called Pigskin Philodendron, Pig Skin Philodendron · tropical
Philodendron rugosum, the Pigskin Philodendron, is a rare aroid from Ecuador's cloud forests prized for thick, leathery, wrinkled leaves. Give it bright indirect light, evenly moist but fast-draining soil, warmth, and high humidity, plus a moss pole to climb. Toxic to cats and dogs per the ASPCA, so keep it out of reach.
Growth habit: Hemiepiphytic climber. In the wild it climbs tree trunks; indoors it does best on a moss pole or trellis, where the support encourages larger, more dramatic leaves. It can also be grown more compactly without support, producing thick upright stalks.
Watch for — Brown, crispy leaf edges: Usually a sign of humidity that is too low (or, occasionally, underwatering or salt buildup). Raise humidity above 60% with a humidifier or pebble tray and keep watering consistent.
What fertiliser philodendron rugosum (pigskin) actually wants — and why
Philodendron Rugosum (Pigskin) is a genuinely hungry tropical — in bright warmth it pushes growth fast and rewards a regular half-strength balanced feed all season.
A balanced liquid feed (even N-P-K) or a slightly nitrogen-leaning foliage feed — this is a big-leaved foliage plant putting on real size, so it wants steady nitrogen for lush leaves, not a bloom formula.
For the language behind the three numbers on the bottle — what nitrogen, phosphorus and potassium each do — see the NPK ratio explained entry. The short version for philodendron rugosum (pigskin): match the feed to the job the plant is doing right now, not to a generic “plant food” on the shelf.
How often to feed philodendron rugosum (pigskin), and which months
Feeding only earns its keep while the plant is in active growth and can use the nutrients — pour feed into a dormant or low-light plant and it simply builds up as root-burning salt. For philodendron rugosum (pigskin):
Feed with a balanced, water-soluble houseplant fertiliser diluted to half strength about once a month (or every 2 weeks at quarter strength) through spring and summer. Stop or greatly reduce feeding in autumn and winter when growth slows. Over-feeding can burn the roots and foliage. For a fast grower like this that means feeding regularly — about every 2 weeks — right through spring through early autumn (roughly March to September), tapering off only as light drops in autumn.
The dormant-season rule matters more than the exact interval: skip feeding entirely when philodendron rugosum (pigskin) is resting. For the wider context on indoor feeding rhythms across the seasons, the houseplant fertiliser schedule walks through the year month by month.
What strength to mix for philodendron rugosum (pigskin)
Half strength every feed is the sweet spot for philodendron rugosum (pigskin): frequent enough to fuel fast growth, dilute enough that it never scorches even when you feed often.
Feeding always goes onto already-damp soil, never dry roots — water philodendron rugosum (pigskin) first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the philodendron rugosum (pigskin) watering schedule.
Signs you are over-feeding philodendron rugosum (pigskin)
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for philodendron rugosum (pigskin):
- Brown, scorched leaf tips and margins despite correct watering.
- A white salt crust on the soil or around the pot edge.
- Sudden leaf yellowing and drop shortly after a strong feed.
- Soft, weak, over-stretched growth that cannot support itself.
Signs you are under-feeding philodendron rugosum (pigskin)
- New leaves coming in noticeably smaller than older ones.
- Pale, yellow-green older leaves and slow growth through peak summer.
- A general loss of vigour and gloss in a plant that should be racing away.
If the symptoms point at watering, light or roots rather than nutrition, the full philodendron rugosum (pigskin) care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Because you feed often, salts accumulate faster — flush the pot of philodendron rugosum (pigskin) with plain water until it drains freely roughly every month through the feeding season to keep the root zone clean.
Organic vs synthetic feeds for philodendron rugosum (pigskin)
Organic options
A diluted seaweed or fish-and-seaweed feed plus a yearly top-dress of worm castings supports fast growth without burn risk. UK: Westland seaweed or Baby Bio Organic; US: Neptune's Harvest or Espoma Indoor!.
Synthetic / liquid feeds
A balanced houseplant liquid at half strength applied frequently — UK: Baby Bio, Phostrogen or Westland Houseplant Feed; US: Miracle-Gro Indoor Plant Food or Dyna-Gro Foliage-Pro for steady leafy growth.
Brand names are examples, not endorsements, and UK and US ranges differ — check the label’s own NPK and dilution rate, since formulations change.
Fertilising philodendron rugosum (pigskin) — frequently asked questions
What fertiliser does philodendron rugosum (pigskin) need?
A balanced liquid feed (even N-P-K) or a slightly nitrogen-leaning foliage feed — this is a big-leaved foliage plant putting on real size, so it wants steady nitrogen for lush leaves, not a bloom formula. Philodendron Rugosum (Pigskin) is a genuinely hungry tropical — in bright warmth it pushes growth fast and rewards a regular half-strength balanced feed all season.
How often should I feed philodendron rugosum (pigskin)?
Feed with a balanced, water-soluble houseplant fertiliser diluted to half strength about once a month (or every 2 weeks at quarter strength) through spring and summer. Stop or greatly reduce feeding in autumn and winter when growth slows. Over-feeding can burn the roots and foliage. Feed with a balanced, water-soluble houseplant fertiliser diluted to half strength about once a month (or every 2 weeks at quarter strength) through spring and summer. Stop or greatly reduce feeding in autumn and winter when growth slows. Over-feeding can burn the roots and foliage. For a fast grower like this that means feeding regularly — about every 2 weeks — right through spring through early autumn (roughly March to September), tapering off only as light drops in autumn.
What strength of feed for philodendron rugosum (pigskin)?
Half strength every feed is the sweet spot for philodendron rugosum (pigskin): frequent enough to fuel fast growth, dilute enough that it never scorches even when you feed often.
What does over-feeding philodendron rugosum (pigskin) look like?
Brown, scorched leaf tips and margins despite correct watering. A white salt crust on the soil or around the pot edge. Sudden leaf yellowing and drop shortly after a strong feed. Soft, weak, over-stretched growth that cannot support itself. The mistake here is the opposite of most houseplants: under-feeding a fast tropical in peak season starves it, leaving small, pale new leaves and slow growth — but full-strength doses still burn it, so feed often and weak, not occasionally and strong.
Should I flush the soil of philodendron rugosum (pigskin)?
Because you feed often, salts accumulate faster — flush the pot of philodendron rugosum (pigskin) with plain water until it drains freely roughly every month through the feeding season to keep the root zone clean.
Keep reading
- Philodendron Rugosum (Pigskin) care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water philodendron rugosum (pigskin) — the watering schedule
- The houseplant fertiliser schedule — feeding through the year
- NPK ratio explained — what the three numbers on the bottle mean
- How to fertilise monstera
- How to fertilise pothos
- How to fertilise fiddle leaf fig
- All 609 fertilising guides in the Growli library