Fertilising guide

How to fertilise Candelabra Lily (Brunsvigia bosmaniae)— schedule & NPK

Also called Candelabra lily, Pink candelabra flower.

More about candelabra lily

About Candelabra Lily

Brunsvigia bosmaniae · also called Candelabra lily, Pink candelabra flower · flowering

Brunsvigia bosmaniae is a deciduous, bulbous perennial from the winter-rainfall Namaqualand and Western Cape region of South Africa, producing spectacular, rounded candelabra-like heads of bright pink flowers on bare stems in late summer — a phenomenon triggered by the first autumn rains. After flowering, broad, tongue-shaped leaves emerge and persist through winter before dying back in spring, and the plant then rests dry and leafless through summer. The key care point is to plant with the bulb neck protruding above soil level and to allow a completely dry summer rest. Brunsvigia contains toxic lycorine-type alkaloids and is toxic to cats and dogs.

Growth habit: Deciduous bulbous perennial with an unusual hysteranthous habit — flowers appear on leafless stalks before the strap-like foliage emerges; candelabra-like umbel of 20–40 individual flowers.

What fertiliser candelabra lily actually wants — and why

Candelabra Lily feeds for next year, not this one — the critical window is after flowering, while the leaves are still green and recharging the bulb.

A low-nitrogen, potassium- and phosphorus-leaning bulb fertiliser (something like 5-10-10) or bonemeal at planting. High nitrogen grows floppy leaves and rots stored bulbs.

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 candelabra lily: 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 candelabra lily, 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 candelabra lily:

Feed with a low-nitrogen, high-potassium bulb fertiliser fortnightly from leaf emergence until flowering ends; do not fertilise during dormancy. The rhythm: a bulb feed at planting, a light feed as leaves emerge, and — most important — a potassium feed straight after flowering while the foliage is still green and feeding the bulb. Never cut the leaves off early.

The dormant-season rule matters more than the exact interval: skip feeding entirely when candelabra lily 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 candelabra lily

Use the bulb-feed label rate for candelabra lily; the timing (post-bloom, leaves still green) does far more for next year's display than the concentration.

Feeding always goes onto already-damp soil, never dry roots — water candelabra lily first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the candelabra lily watering schedule.

Signs you are over-feeding candelabra lily

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

Tall, floppy, soft leaves that flop over (too much nitrogen).
Soft or rotting bulbs lifted at the end of the season.
Lush foliage but few or poor flowers.

Signs you are under-feeding candelabra lily

Progressively fewer or smaller flowers year on year ("going blind").
Small, weak bulbs and thin foliage.
Bulbs that fail to come back at all after a few seasons.

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

Flushing and leaching the salts

Bulbs are not container-flushed like houseplants; the equivalent is not over-feeding and lifting/dividing congested clumps of candelabra lily every few years so they are not competing for nutrients.

Organic vs synthetic feeds for candelabra lily

Organic options

Bonemeal worked in at planting plus a mulch of garden compost or well-rotted leaf-mould is the traditional, reliable approach for candelabra lily. UK: blood, fish & bone or Westland Bulb Food; US: Espoma Bulb-tone or bonemeal.

Synthetic / liquid feeds

A proprietary bulb fertiliser at planting and a high-potash liquid (tomato feed) after flowering — UK: Westland Bulb Food then Tomorite; US: Miracle-Gro Shake 'n Feed Bulb or a bloom booster post-flower.

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 candelabra lily — frequently asked questions

What fertiliser does candelabra lily need?

A low-nitrogen, potassium- and phosphorus-leaning bulb fertiliser (something like 5-10-10) or bonemeal at planting. High nitrogen grows floppy leaves and rots stored bulbs. Candelabra Lily feeds for next year, not this one — the critical window is after flowering, while the leaves are still green and recharging the bulb.

How often should I feed candelabra lily?

Feed with a low-nitrogen, high-potassium bulb fertiliser fortnightly from leaf emergence until flowering ends; do not fertilise during dormancy. Feed with a low-nitrogen, high-potassium bulb fertiliser fortnightly from leaf emergence until flowering ends; do not fertilise during dormancy. The rhythm: a bulb feed at planting, a light feed as leaves emerge, and — most important — a potassium feed straight after flowering while the foliage is still green and feeding the bulb. Never cut the leaves off early.

What strength of feed for candelabra lily?