Fertilising guide
How to fertilise Miss Jekyll love-in-a-mist (Nigella damascena 'Miss Jekyll')— schedule & NPK
Also called Miss Jekyll love-in-a-mist, love-in-a-mist, devil-in-the-bush.
More about miss jekyll love-in-a-mist
About Miss Jekyll love-in-a-mist
Nigella damascena 'Miss Jekyll' · also called Miss Jekyll love-in-a-mist, love-in-a-mist · flowering
Miss Jekyll is an heirloom cultivar of love-in-a-mist producing semi-double sky-blue flowers nestled in feathery, fennel-like foliage, followed by ornamental seed pods. Direct-sow in situ in full sun on free-draining soil. Self-seeds prolifically. A cottage garden classic valued for cut and dried flowers.
Growth habit: Upright, branching annual with finely dissected, thread-like foliage. Produces flowers on slender stems 45–50 cm (18–20 in) tall, followed by attractive inflated seed pods.
What fertiliser miss jekyll love-in-a-mist actually wants — and why
Miss Jekyll love-in-a-mist 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 miss jekyll love-in-a-mist: 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 miss jekyll love-in-a-mist, 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 miss jekyll love-in-a-mist:
Minimal feeding required. A single application of general-purpose granular fertiliser worked into the seedbed at sowing is sufficient. Excess nitrogen produces lush foliage and poor flowering. 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 miss jekyll love-in-a-mist 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 miss jekyll love-in-a-mist
Half strength is the safe default for miss jekyll love-in-a-mist — 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 miss jekyll love-in-a-mist first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the miss jekyll love-in-a-mist watering schedule.
Signs you are over-feeding miss jekyll love-in-a-mist
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for miss jekyll love-in-a-mist:
- 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 miss jekyll love-in-a-mist
- 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 miss jekyll love-in-a-mist care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of miss jekyll love-in-a-mist 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 miss jekyll love-in-a-mist
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 miss jekyll love-in-a-mist — frequently asked questions
What fertiliser does miss jekyll love-in-a-mist 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. Miss Jekyll love-in-a-mist 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 miss jekyll love-in-a-mist?
Minimal feeding required. A single application of general-purpose granular fertiliser worked into the seedbed at sowing is sufficient. Excess nitrogen produces lush foliage and poor flowering. Minimal feeding required. A single application of general-purpose granular fertiliser worked into the seedbed at sowing is sufficient. Excess nitrogen produces lush foliage and poor flowering. 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 miss jekyll love-in-a-mist?
Half strength is the safe default for miss jekyll love-in-a-mist — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding miss jekyll love-in-a-mist 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 miss jekyll love-in-a-mist 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 miss jekyll love-in-a-mist?
Flush the pot of miss jekyll love-in-a-mist 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
- Miss Jekyll love-in-a-mist care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water miss jekyll love-in-a-mist — 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 siebold's magnolia
- How to fertilise yulan magnolia
- How to fertilise common rhododendron
- All 8452 fertilising guides in the Growli library