Fertilising guide
How to fertilise Hope Philodendron (Philodendron 'Hope')— schedule & NPK
Also called Hope Philodendron, Hope Selloum.
More about hope philodendron
About Hope Philodendron
Philodendron 'Hope' · also called Hope Philodendron, Hope Selloum · houseplant
Hope Philodendron is a compact selection of the tree philodendron with large, deeply lobed, ruffled green leaves on long petioles. It forms a spreading, self-heading clump rather than a vine, lending a bold tropical look. Vigorous and forgiving, it wants bright indirect light, chunky soil, and room to spread its wide, arching fronds.
Growth habit: Self-heading, spreading shrub-like habit; produces a rosette of long-petioled, deeply lobed leaves that arch outward, taking up considerable horizontal space.
Watch for — Brown, crispy edges: Low humidity or fertiliser salt buildup. Raise humidity and periodically flush the soil with plain water.
What fertiliser hope philodendron actually wants — and why
Hope Philodendron 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 hope philodendron: 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 hope philodendron, 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 hope philodendron:
Feed every 2-4 weeks in spring and summer with a balanced liquid houseplant fertiliser at half to full strength; this vigorous grower is a moderate feeder. Stop feeding in autumn and winter and flush salts occasionally. For a fast grower like this that means feeding regularly — about every 2-4 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 hope philodendron 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 hope philodendron
Half strength every feed is the sweet spot for hope philodendron: 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 hope philodendron first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the hope philodendron watering schedule.
Signs you are over-feeding hope philodendron
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for hope philodendron:
- 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 hope philodendron
- 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 hope philodendron 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 hope philodendron 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 hope philodendron
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 hope philodendron — frequently asked questions
What fertiliser does hope philodendron 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. Hope Philodendron 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 hope philodendron?
Feed every 2-4 weeks in spring and summer with a balanced liquid houseplant fertiliser at half to full strength; this vigorous grower is a moderate feeder. Stop feeding in autumn and winter and flush salts occasionally. Feed every 2-4 weeks in spring and summer with a balanced liquid houseplant fertiliser at half to full strength; this vigorous grower is a moderate feeder. Stop feeding in autumn and winter and flush salts occasionally. For a fast grower like this that means feeding regularly — about every 2-4 weeks — right through spring through early autumn (roughly March to September), tapering off only as light drops in autumn.
What strength of feed for hope philodendron?
Half strength every feed is the sweet spot for hope philodendron: frequent enough to fuel fast growth, dilute enough that it never scorches even when you feed often.
What does over-feeding hope philodendron 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 hope philodendron?
Because you feed often, salts accumulate faster — flush the pot of hope philodendron with plain water until it drains freely roughly every month through the feeding season to keep the root zone clean.
Keep reading
- Hope Philodendron care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water hope philodendron — 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 snake plant
- How to fertilise dracaena
- How to fertilise peperomia
- All 2464 fertilising guides in the Growli library