Fertilising guide
How to fertilise Flamingo Flower (Anthurium scherzerianum)— schedule & NPK
Also called Flamingo Flower, Flamingo Lily, Pigtail Plant, Flamingo Plant.
More about flamingo flower
About Flamingo Flower
Anthurium scherzerianum · also called Flamingo Flower, Flamingo Lily · flowering
Flamingo Flower (Anthurium scherzerianum) is a compact tropical aroid prized for its waxy red spathes and curling orange spadix. Give it bright indirect light, high humidity, warmth above 18C, and a free-draining acidic mix kept lightly moist. The ASPCA lists it as toxic to cats, dogs, and horses.
Growth habit: Compact, clump-forming evergreen perennial with a low rosette of lance-shaped, leathery dark-green leaves. Flowers are bright red, waxy spathes with a characteristic curled or spiralling orange-red spadix, held above the foliage and lasting many weeks.
Watch for — Brown leaf tips and edges: Usually caused by low humidity, under-watering, or mineral/fertiliser salt build-up. Raise humidity, water consistently with low-mineral water, and flush the soil periodically.
What fertiliser flamingo flower actually wants — and why
Flamingo Flower is a heavy-blooming flower with a big appetite — a regular high-potash feed through the season is what drives a long, dense display.
A high-potassium ("high-potash") flowering feed — tomato-style or a dedicated bloom/rose feed. Potassium powers flowering; a high-nitrogen feed gives you a leafy plant with disappointing bloom.
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 flamingo flower: 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 flamingo flower, 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 flamingo flower:
Feed every 2 weeks from spring to autumn with a diluted orchid or balanced houseplant fertiliser. A high-phosphorus or flowering feed supports more spathes. Stop feeding in winter while growth slows. Over-fertilising can cause salt build-up and brown leaf tips, so flush the soil occasionally. For a hungry bloomer that means feeding regularly — every 2 weeks — right through flowering across the main season (spring through early autumn), tapering as blooming ends.
The dormant-season rule matters more than the exact interval: skip feeding entirely when flamingo flower 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 flamingo flower
Follow the flowering-feed label rate for flamingo flower, or half strength if feeding very frequently. These plants genuinely use the nutrients — under-feeding shows up fast as a thin display.
Feeding always goes onto already-damp soil, never dry roots — water flamingo flower first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the flamingo flower watering schedule.
Signs you are over-feeding flamingo flower
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for flamingo flower:
- Lots of lush leaves but few flowers (too much nitrogen).
- Scorched leaf edges and salt crust from too-strong or too-frequent feeds.
- Soft, sappy growth prone to aphids and mildew.
Signs you are under-feeding flamingo flower
- Sparse, small, short-lived flowers and pale foliage.
- A tired plant that stops blooming early in the season.
- Weak growth and poor repeat-flowering after the first flush.
If the symptoms point at watering, light or roots rather than nutrition, the full flamingo flower care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Container-grown flamingo flower accumulates feed salts fast with frequent feeding — water until it drains each time and flush pots with plain water every few weeks to prevent scorch.
Organic vs synthetic feeds for flamingo flower
Organic options
A liquid comfrey or seaweed feed (naturally potassium-rich) plus compost or well-rotted manure as a mulch. UK: comfrey feed, organic Tomorite, or rose feed; US: Espoma Rose-tone or Neptune's Harvest. Feeds and improves soil.
Synthetic / liquid feeds
A high-potash flowering feed on a regular cadence — UK: Tomorite (Levington), Phostrogen or a specialist rose feed; US: Miracle-Gro Bloom Booster or a rose food. Fast, reliable bloom response.
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 flamingo flower — frequently asked questions
What fertiliser does flamingo flower need?
A high-potassium ("high-potash") flowering feed — tomato-style or a dedicated bloom/rose feed. Potassium powers flowering; a high-nitrogen feed gives you a leafy plant with disappointing bloom. Flamingo Flower is a heavy-blooming flower with a big appetite — a regular high-potash feed through the season is what drives a long, dense display.
How often should I feed flamingo flower?
Feed every 2 weeks from spring to autumn with a diluted orchid or balanced houseplant fertiliser. A high-phosphorus or flowering feed supports more spathes. Stop feeding in winter while growth slows. Over-fertilising can cause salt build-up and brown leaf tips, so flush the soil occasionally. Feed every 2 weeks from spring to autumn with a diluted orchid or balanced houseplant fertiliser. A high-phosphorus or flowering feed supports more spathes. Stop feeding in winter while growth slows. Over-fertilising can cause salt build-up and brown leaf tips, so flush the soil occasionally. For a hungry bloomer that means feeding regularly — every 2 weeks — right through flowering across the main season (spring through early autumn), tapering as blooming ends.
What strength of feed for flamingo flower?
Follow the flowering-feed label rate for flamingo flower, or half strength if feeding very frequently. These plants genuinely use the nutrients — under-feeding shows up fast as a thin display.
What does over-feeding flamingo flower look like?
Lots of lush leaves but few flowers (too much nitrogen). Scorched leaf edges and salt crust from too-strong or too-frequent feeds. Soft, sappy growth prone to aphids and mildew. Using a high-nitrogen general feed on flamingo flower is the headline mistake — you grow a big leafy plant with few flowers. The second is simply under-feeding a genuinely hungry bloomer and getting a sparse, short display.
Should I flush the soil of flamingo flower?
Container-grown flamingo flower accumulates feed salts fast with frequent feeding — water until it drains each time and flush pots with plain water every few weeks to prevent scorch.
Keep reading
- Flamingo Flower care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water flamingo flower — 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 peace lily
- How to fertilise bird of paradise
- How to fertilise hoya
- All 389 fertilising guides in the Growli library