Fertilising guide

How to fertilise Jasmine (Pink Jasmine) (Jasminum polyanthum)— schedule & NPK

Also called Pink jasmine, Pink-flowered jasmine, Many-flowered jasmine, Chinese jasmine, White jasmine, Winter jasmine (informal).

More about jasmine (pink jasmine)

About Jasmine (Pink Jasmine)

Jasminum polyanthum · also called Pink jasmine, Pink-flowered jasmine · flowering

Pink jasmine is a vigorous, evergreen twining climber prized for clouds of intensely fragrant white flowers opening from pink buds in late winter and spring. Give it bright light, cool winter nights to set buds, and moist, well-drained soil. The ASPCA lists Jasminum as non-toxic to cats, dogs, and horses.

Growth habit: Fast-growing, evergreen, twining climber that needs a support, trellis, or hoop to scramble over. Stems wind around their support rather than clinging by tendrils or aerial roots.

Watch for — No flowers or few blooms: Usually too little light, too much nitrogen feed, or missing the cool autumn rest. Give it a bright spot, a high-potassium feed, and 4-6 weeks of cool nights (about 4-13C) in autumn to trigger bud set, and avoid pruning after late summer when buds form.

What fertiliser jasmine (pink jasmine) actually wants — and why

Jasmine (Pink Jasmine) 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 jasmine (pink jasmine): 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 jasmine (pink jasmine), 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 jasmine (pink jasmine):

The dormant-season rule matters more than the exact interval: skip feeding entirely when jasmine (pink jasmine) 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 jasmine (pink jasmine)

None is the correct answer for jasmine (pink jasmine). 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 jasmine (pink jasmine) first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the jasmine (pink jasmine) watering schedule.

Signs you are over-feeding jasmine (pink jasmine)

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

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 jasmine (pink jasmine)

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 jasmine (pink jasmine) care brief covers soil, humidity and the common problems for this species.

Flushing and leaching the salts

If jasmine (pink jasmine) 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 jasmine (pink jasmine)

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 jasmine (pink jasmine).

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 jasmine (pink jasmine) — frequently asked questions

What fertiliser does jasmine (pink jasmine) 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. Jasmine (Pink Jasmine) 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 jasmine (pink jasmine)?

Feed every two weeks through spring and summer with a balanced or high-potassium (e.g. tomato-type) liquid feed to support flowering. Stop feeding in autumn and winter while growth slows. A potash-rich feed encourages more buds than a high-nitrogen one, which favours leafy growth at the expense of flowers. Feed every two weeks through spring and summer with a balanced or high-potassium (e.g. tomato-type) liquid feed to support flowering. Stop feeding in autumn and winter while growth slows. A potash-rich feed encourages more buds than a high-nitrogen one, which favours leafy growth at the expense of flowers. In practice: no routine feeding at all for jasmine (pink jasmine) — at most a thin compost mulch for soil structure, never a flowering or nitrogen feed.

What strength of feed for jasmine (pink jasmine)?