Fertilising guide
How to fertilise Stalked Clivia (Clivia caulescens)— schedule & NPK
Also called Stalked Clivia, Climbing Clivia, Forest Lily.
More about stalked clivia
About Stalked Clivia
Clivia caulescens · also called Stalked Clivia, Climbing Clivia · houseplant
Clivia caulescens is a distinctive, evergreen perennial from the mist-belt forests of KwaZulu-Natal and Mpumalanga, South Africa, unique within the genus for developing a conspicuous aerial stem that can reach 1–3 metres over many years, which gives the plant its common name. It produces pendulous, funnel-shaped, pale orange-red flowers with yellowish-green tips in umbels of 10–20, typically blooming in late autumn to spring. Bright, filtered light and a brief cool rest in winter are the key requirements for reliable flowering. This plant is toxic to cats and dogs.
Growth habit: Evergreen perennial with a progressively elongating aerial stem bearing strap-shaped leaves; slower-growing than C. miniata and forms offsets sparingly.
What fertiliser stalked clivia actually wants — and why
Stalked Clivia 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 stalked clivia: 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 stalked clivia, 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 stalked clivia:
Feed with a balanced liquid fertiliser every two weeks during the growing season (spring through early autumn); withhold fertiliser during the winter rest period. Treat that as sparingly through the growing season 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 stalked clivia 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 stalked clivia
Half strength is the safe default for stalked clivia — 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 stalked clivia first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the stalked clivia watering schedule.
Signs you are over-feeding stalked clivia
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for stalked clivia:
- 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 stalked clivia
- 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 stalked clivia care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of stalked clivia 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 stalked clivia
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 stalked clivia — frequently asked questions
What fertiliser does stalked clivia 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. Stalked Clivia 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 stalked clivia?
Feed with a balanced liquid fertiliser every two weeks during the growing season (spring through early autumn); withhold fertiliser during the winter rest period. Feed with a balanced liquid fertiliser every two weeks during the growing season (spring through early autumn); withhold fertiliser during the winter rest period. Treat that as sparingly through the growing season 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 stalked clivia?
Half strength is the safe default for stalked clivia — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding stalked clivia 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 stalked clivia 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 stalked clivia?
Flush the pot of stalked clivia 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
- Stalked Clivia care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water stalked clivia — 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 aloe secundiflora
- How to fertilise aloe speciosa
- How to fertilise aloe suzannae
- All 10153 fertilising guides in the Growli library