Fertilising guide

How to fertilise Lonicera x heckrottii (Lonicera x heckrottii)— schedule & NPK

Also called goldflame honeysuckle, coral honeysuckle hybrid.

More about lonicera x heckrottii

About Lonicera x heckrottii

Lonicera x heckrottii · also called goldflame honeysuckle, coral honeysuckle hybrid · flowering

Lonicera x heckrottii, the goldflame honeysuckle, is a free-flowering garden hybrid grown for whorls of two-toned blooms, carmine-pink outside and warm yellow within, carried over a long summer season. Moderately vigorous and fragrant, it attracts hummingbirds and bees. A reliable, well-mannered climber, it suits trellis, arbours and fences in sun with a cool root run.

Growth habit: Deciduous to semi-evergreen twining climber of moderate, manageable vigour; flowers over many weeks and trains easily onto support.

What fertiliser lonicera x heckrottii actually wants — and why

Lonicera x heckrottii flowers best on poor soil — feed it and you get a lush leafy plant with very few blooms, the exact opposite of what you want.

Little or nothing. Rich, especially nitrogen-rich, soil pushes foliage at the expense of flowers in this plant — lean ground is the technique, not a deficiency.

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 lonicera x heckrottii: 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 lonicera x heckrottii, 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 lonicera x heckrottii:

A balanced spring feed and an annual organic mulch are sufficient; it is not a heavy feeder. Avoid excess nitrogen, which encourages soft, mildew-prone growth at the expense of flowers. In practice: no routine feeding at all for lonicera x heckrottii — at most a thin compost mulch for soil structure, never a flowering or nitrogen feed.

The dormant-season rule matters more than the exact interval: skip feeding entirely when lonicera x heckrottii 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 lonicera x heckrottii

None is the correct answer for lonicera x heckrottii. The flower-versus-foliage trade-off is the whole point: hold back and you get the display.

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

Signs you are over-feeding lonicera x heckrottii

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

Abundant leafy growth and very few flowers (the classic over-rich symptom).
Soft, floppy stems and a sprawling, leafy habit.
Scorched edges and salt crust if it has been fed in a container.

Signs you are under-feeding lonicera x heckrottii

Effectively never an issue — these plants flower on poverty.
Only on genuinely dead soil: weak, thin growth and few blooms.
A short-lived plant in completely spent container compost.

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

Flushing and leaching the salts

If lonicera x heckrottii has accidentally been fed and is all leaf, a plain-water flush plus a move to leaner soil resets it; otherwise no flushing is needed because you are not feeding it.

Organic vs synthetic feeds for lonicera x heckrottii

Organic options

A thin compost mulch for soil structure is the absolute most; mostly, give it nothing. UK/US: leave it lean — no manure, no liquid feed. Poor soil is the active ingredient here.

Synthetic / liquid feeds

None. Synthetic feeds, particularly anything with appreciable nitrogen, directly suppress flowering in lonicera x heckrottii.

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 lonicera x heckrottii — frequently asked questions

What fertiliser does lonicera x heckrottii need?

Little or nothing. Rich, especially nitrogen-rich, soil pushes foliage at the expense of flowers in this plant — lean ground is the technique, not a deficiency. Lonicera x heckrottii flowers best on poor soil — feed it and you get a lush leafy plant with very few blooms, the exact opposite of what you want.

How often should I feed lonicera x heckrottii?

A balanced spring feed and an annual organic mulch are sufficient; it is not a heavy feeder. Avoid excess nitrogen, which encourages soft, mildew-prone growth at the expense of flowers. A balanced spring feed and an annual organic mulch are sufficient; it is not a heavy feeder. Avoid excess nitrogen, which encourages soft, mildew-prone growth at the expense of flowers. In practice: no routine feeding at all for lonicera x heckrottii — at most a thin compost mulch for soil structure, never a flowering or nitrogen feed.

What strength of feed for lonicera x heckrottii?