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Fertilising guide

How to fertilise Golden Corkscrew Plant (Genlisea aurea)— schedule & NPK

Also called golden corkscrew plant, corkscrew plant.

More about golden corkscrew plant

About Golden Corkscrew Plant

Genlisea aurea · also called golden corkscrew plant, corkscrew plant · houseplant

A tiny Brazilian carnivore notable for having one of the smallest known plant genomes. Produces bright yellow flowers on slender 10–15 cm scapes above a rosette of flat spatula-shaped leaves. Traps microscopic soil organisms (protists, nematodes) via underground corkscrew-shaped modified leaves. Thrives in warm, very wet, bright conditions in a carnivorous terrarium.

Growth habit: Tiny rosette-forming perennial; flat, spatula-shaped aerial leaves; underground corkscrew-shaped trapping leaves invisible at soil surface

Watch for — Overcrowding and loss of vigour: Small pots become root-bound quickly as the plant multiplies. Divide clumps every 1–2 years and refresh the growing medium, as old peat becomes compacted and anaerobic, reducing microorganism diversity the plant feeds on.

What fertiliser golden corkscrew plant actually wants — and why

Golden Corkscrew Plant 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 golden corkscrew plant: 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 golden corkscrew plant, 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 golden corkscrew plant:

No conventional fertilisation needed; feeds on protists in the growing medium. If growing in a very clean environment, a once-monthly dilute foliar spray of urea-free fertiliser at 1/8 strength (e.g., Maxsea) can supplement nutrition. 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 golden corkscrew plant 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 golden corkscrew plant

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

Signs you are over-feeding golden corkscrew plant

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

Signs you are under-feeding golden corkscrew plant

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

Flushing and leaching the salts

Flush the pot of golden corkscrew plant 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 golden corkscrew plant

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 golden corkscrew plant — frequently asked questions

What fertiliser does golden corkscrew plant 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. Golden Corkscrew Plant 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 golden corkscrew plant?

No conventional fertilisation needed; feeds on protists in the growing medium. If growing in a very clean environment, a once-monthly dilute foliar spray of urea-free fertiliser at 1/8 strength (e.g., Maxsea) can supplement nutrition. No conventional fertilisation needed; feeds on protists in the growing medium. If growing in a very clean environment, a once-monthly dilute foliar spray of urea-free fertiliser at 1/8 strength (e.g., Maxsea) can supplement nutrition. 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 golden corkscrew plant?

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

What does over-feeding golden corkscrew plant 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 golden corkscrew plant 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 golden corkscrew plant?

Flush the pot of golden corkscrew plant 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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