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Fertilising guide

How to fertilise Clivia (Clivia miniata)— schedule & NPK

Also called Natal lily, bush lily, kaffir lily.

About Clivia

Clivia miniata · also called Natal lily, bush lily · flowering

Clivia is a South African evergreen with strappy dark green leaves and clusters of orange trumpet flowers in late winter. It tolerates low light, dry air, and forgiving care, blooming reliably after a cool dry winter rest. Toxic to pets due to lycorine alkaloids in all parts.

Clivia miniata is a clump-forming perennial from the shaded forest floors of South Africa (KwaZulu-Natal, Eastern Cape, Mpumalanga), growing in dappled shade and humus-rich soil, sometimes lodged in the fork of a tree.

Feed during active spring-to-autumn growth only and stop entirely through the cool winter rest, which is what triggers the following season's flower buds.

Growth habit: Clumping rhizomatous evergreen

Watch for — Stunted flower stalk: Move the plant to a warmer spot too early after the cool rest.

Sources: pza.sanbi.org, rhs.org.uk, hort.extension.wisc.edu

What fertiliser clivia actually wants — and why

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 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 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 clivia:

Balanced liquid feed monthly from spring to summer; stop in autumn for the dormancy trigger. Treat that as monthly 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 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 clivia

Half strength is the safe default for 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 clivia first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the clivia watering schedule.

Signs you are over-feeding clivia

Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for clivia:

Signs you are under-feeding clivia

If the symptoms point at watering, light or roots rather than nutrition, the full clivia care brief covers soil, humidity and the common problems for this species.

Flushing and leaching the salts

Flush the pot of 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 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 clivia — frequently asked questions

What fertiliser does 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. 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 clivia?

Balanced liquid feed monthly from spring to summer; stop in autumn for the dormancy trigger. Balanced liquid feed monthly from spring to summer; stop in autumn for the dormancy trigger. Treat that as monthly 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 clivia?

Half strength is the safe default for clivia — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.

What does over-feeding 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 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 clivia?

Flush the pot of 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.

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