Fertilising guide
How to fertilise Queen Anthurium (Anthurium warocqueanum)— schedule & NPK
Also called Queen Anthurium, Queen Anthurium velvet-leaf, Anthurium warocqueanum.
More about queen anthurium
About Queen Anthurium
Anthurium warocqueanum · also called Queen Anthurium, Queen Anthurium velvet-leaf · tropical
Queen Anthurium (Anthurium warocqueanum) is a prized velvet-leaf aroid from Colombian cloud forests, growing pendant leaves up to a metre long. It demands bright indirect light, warmth, and high humidity (60-80%) in an airy aroid mix. The ASPCA classes Anthurium as toxic to cats and dogs, so keep it out of pets' reach.
Growth habit: Evergreen epiphytic climber/creeper in the arum family (Araceae), grown for its dramatic pendant, elongated heart-shaped velvet leaves rather than its modest green spathe. Benefits from a moss pole or support; native to humid Colombian forests at roughly 400-1,200 m elevation.
Watch for — Crispy brown leaf edges and tips: Usually low humidity or mineral build-up from tap water. Raise humidity above 60%, water with low-mineral (filtered/rain) water, and flush the medium to clear salts.
What fertiliser queen anthurium actually wants — and why
Queen Anthurium is an easy, light foliage feeder — a half-strength balanced liquid feed through the growing months keeps it green without forcing weak, sappy growth.
A balanced general houseplant feed (roughly even N-P-K) is exactly right — it is grown for foliage, so steady, moderate nitrogen for healthy leaves is the goal, not a bloom or root 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 queen anthurium: 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 queen anthurium, 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 queen anthurium:
Feed with a balanced, dilute liquid fertiliser (quarter to half strength) every 2-4 weeks during spring and summer, or use a gentle slow-release aroid feed. Anthuriums are sensitive to salt build-up, so flush the medium periodically and stop feeding in autumn and winter when growth slows. Treat that as every 2-4 weeks between spring through early autumn (roughly March to September); ease off in autumn and stop entirely in the low light of winter.
The dormant-season rule matters more than the exact interval: skip feeding entirely when queen anthurium 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 queen anthurium
Half strength is the safe default for queen anthurium — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
Feeding always goes onto already-damp soil, never dry roots — water queen anthurium first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the queen anthurium watering schedule.
Signs you are over-feeding queen anthurium
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for queen anthurium:
- Brown, crispy leaf tips and edges with no sign of underwatering.
- A white, crusty salt deposit on the soil surface or pot rim.
- Weak, pale, stretched new growth that flops.
- Lower leaves yellow and drop while the soil is correctly watered.
Signs you are under-feeding queen anthurium
- Uniformly pale or yellow-green leaves, oldest first.
- Noticeably small new leaves and stalled growth in good light and season.
- A generally tired, lacklustre look despite correct watering and light.
If the symptoms point at watering, light or roots rather than nutrition, the full queen anthurium care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of queen anthurium with plain water until it runs freely from the base every couple of months in the feeding season — it washes out the fertiliser salts that cause brown tips.
Organic vs synthetic feeds for queen anthurium
Organic options
A diluted seaweed or worm-casting feed, or fish emulsion if you can tolerate the smell indoors. UK: Westland or Baby Bio Organic, dilute seaweed; US: Espoma Indoor! or Neptune's Harvest fish & seaweed. Slow, gentle and hard to overdo.
Synthetic / liquid feeds
A general-purpose houseplant liquid at half strength — UK: Baby Bio, Westland Houseplant Feed or Phostrogen; US: Miracle-Gro Indoor Plant Food or Schultz. Convenient and fast-acting; the only risk is overdoing it.
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 queen anthurium — frequently asked questions
What fertiliser does queen anthurium need?
A balanced general houseplant feed (roughly even N-P-K) is exactly right — it is grown for foliage, so steady, moderate nitrogen for healthy leaves is the goal, not a bloom or root formula. Queen Anthurium is an easy, light foliage feeder — a half-strength balanced liquid feed through the growing months keeps it green without forcing weak, sappy growth.
How often should I feed queen anthurium?
Feed with a balanced, dilute liquid fertiliser (quarter to half strength) every 2-4 weeks during spring and summer, or use a gentle slow-release aroid feed. Anthuriums are sensitive to salt build-up, so flush the medium periodically and stop feeding in autumn and winter when growth slows. Feed with a balanced, dilute liquid fertiliser (quarter to half strength) every 2-4 weeks during spring and summer, or use a gentle slow-release aroid feed. Anthuriums are sensitive to salt build-up, so flush the medium periodically and stop feeding in autumn and winter when growth slows. Treat that as every 2-4 weeks between spring through early autumn (roughly March to September); ease off in autumn and stop entirely in the low light of winter.
What strength of feed for queen anthurium?
Half strength is the safe default for queen anthurium — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding queen anthurium look like?
Brown, crispy leaf tips and edges with no sign of underwatering. A white, crusty salt deposit on the soil surface or pot rim. Weak, pale, stretched new growth that flops. Lower leaves yellow and drop while the soil is correctly watered. Feeding queen anthurium year-round on a fixed schedule, including dark winter months, is the most common mistake — it cannot use the nutrients in low light and the surplus simply burns the roots and crusts the soil.
Should I flush the soil of queen anthurium?
Flush the pot of queen anthurium with plain water until it runs freely from the base every couple of months in the feeding season — it washes out the fertiliser salts that cause brown tips.
Keep reading
- Queen Anthurium care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water queen anthurium — 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 389 fertilising guides in the Growli library