Fertilising guide
How to fertilise Strongly-Scented Bulbophyllum (Bulbophyllum graveolens)— schedule & NPK
Also called Strongly-Scented Bulbophyllum, Strong-Smelling Bulbophyllum.
More about strongly-scented bulbophyllum
About Strongly-Scented Bulbophyllum
Bulbophyllum graveolens · also called Strongly-Scented Bulbophyllum, Strong-Smelling Bulbophyllum · tropical
Bulbophyllum graveolens is a large, dramatic epiphytic orchid from Papua New Guinea, producing enormous inflorescences of bold yellow flowers with red-purple spotted sepals. True to its name, the flowers emit a pungent carrion-like scent to attract fly pollinators. Despite the odour, it is a spectacular collector's orchid requiring warm, humid conditions and a well-draining epiphytic substrate.
Growth habit: Sympodial creeping epiphyte with a spreading rhizome bearing widely spaced, small ovoid pseudobulbs each topped with a single thick, fleshy leaf; tall, upright inflorescences arise from the pseudobulb base and carry large, showy flowers.
What fertiliser strongly-scented bulbophyllum actually wants — and why
Strongly-Scented Bulbophyllum 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 strongly-scented bulbophyllum: 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 strongly-scented bulbophyllum, 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 strongly-scented bulbophyllum:
Apply balanced orchid fertiliser at quarter strength with every watering during the growing season. Given the near-constantly moist growing conditions, leaching of nutrients is rapid — weekly dilute feeding is more effective than monthly heavy doses. Flush medium monthly to prevent salt build-up. Reduce to monthly feeding in winter. Treat that as weekly 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 strongly-scented bulbophyllum 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 strongly-scented bulbophyllum
Half strength is the safe default for strongly-scented bulbophyllum — 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 strongly-scented bulbophyllum first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the strongly-scented bulbophyllum watering schedule.
Signs you are over-feeding strongly-scented bulbophyllum
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for strongly-scented bulbophyllum:
- 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 strongly-scented bulbophyllum
- 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 strongly-scented bulbophyllum care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of strongly-scented bulbophyllum 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 strongly-scented bulbophyllum
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 strongly-scented bulbophyllum — frequently asked questions
What fertiliser does strongly-scented bulbophyllum 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. Strongly-Scented Bulbophyllum 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 strongly-scented bulbophyllum?
Apply balanced orchid fertiliser at quarter strength with every watering during the growing season. Given the near-constantly moist growing conditions, leaching of nutrients is rapid — weekly dilute feeding is more effective than monthly heavy doses. Flush medium monthly to prevent salt build-up. Reduce to monthly feeding in winter. Apply balanced orchid fertiliser at quarter strength with every watering during the growing season. Given the near-constantly moist growing conditions, leaching of nutrients is rapid — weekly dilute feeding is more effective than monthly heavy doses. Flush medium monthly to prevent salt build-up. Reduce to monthly feeding in winter. Treat that as weekly 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 strongly-scented bulbophyllum?
Half strength is the safe default for strongly-scented bulbophyllum — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding strongly-scented bulbophyllum 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 strongly-scented bulbophyllum 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 strongly-scented bulbophyllum?
Flush the pot of strongly-scented bulbophyllum 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
- Strongly-Scented Bulbophyllum care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water strongly-scented bulbophyllum — 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 ananas lucidus
- How to fertilise alcantarea imperialis
- How to fertilise alcantarea odorata
- All 8452 fertilising guides in the Growli library