Fertilising guide
How to fertilise Homalomena Sp. Selby (Homalomena sp. 'Selby')— schedule & NPK
Also called Selby homalomena, dark-leaf queen of hearts.
More about homalomena sp. selby
About Homalomena Sp. Selby
Homalomena sp. 'Selby' · also called Selby homalomena, dark-leaf queen of hearts · tropical
Homalomena sp. 'Selby' is a clumping tropical aroid grown for its deep green to near-black, glossy, heart-shaped leaves on upright petioles. A robust understorey plant, it is more forgiving than many fussy aroids while still rewarding warmth, humidity and bright shade. Its dense, low mound of dark foliage makes an easy, architectural houseplant.
Growth habit: Clump-forming, rhizomatous evergreen aroid producing a dense mound of upright, long-stalked heart-shaped leaves from the base.
What fertiliser homalomena sp. selby actually wants — and why
Homalomena Sp. Selby 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 homalomena sp. selby: 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 homalomena sp. selby, 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 homalomena sp. selby:
Feed every 3-4 weeks in spring and summer with a balanced liquid fertiliser at half strength; reduce or stop feeding in autumn and winter. For a fast grower like this that means feeding regularly — about every 3-4 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 homalomena sp. selby 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 homalomena sp. selby
Half strength every feed is the sweet spot for homalomena sp. selby: 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 homalomena sp. selby first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the homalomena sp. selby watering schedule.
Signs you are over-feeding homalomena sp. selby
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for homalomena sp. selby:
- 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 homalomena sp. selby
- 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 homalomena sp. selby 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 homalomena sp. selby 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 homalomena sp. selby
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 homalomena sp. selby — frequently asked questions
What fertiliser does homalomena sp. selby 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. Homalomena Sp. Selby 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 homalomena sp. selby?
Feed every 3-4 weeks in spring and summer with a balanced liquid fertiliser at half strength; reduce or stop feeding in autumn and winter. Feed every 3-4 weeks in spring and summer with a balanced liquid fertiliser at half strength; reduce or stop feeding in autumn and winter. For a fast grower like this that means feeding regularly — about every 3-4 weeks — right through spring through early autumn (roughly March to September), tapering off only as light drops in autumn.
What strength of feed for homalomena sp. selby?
Half strength every feed is the sweet spot for homalomena sp. selby: frequent enough to fuel fast growth, dilute enough that it never scorches even when you feed often.
What does over-feeding homalomena sp. selby 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 homalomena sp. selby?
Because you feed often, salts accumulate faster — flush the pot of homalomena sp. selby with plain water until it drains freely roughly every month through the feeding season to keep the root zone clean.
Keep reading
- Homalomena Sp. Selby care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water homalomena sp. selby — 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 3899 fertilising guides in the Growli library