Fertilising guide
How to fertilise Chinese Honeysuckle (Combretum indicum)— schedule & NPK
Also called Chinese Honeysuckle, Rangoon Creeper, Burma Creeper, Drunken Sailor.
More about chinese honeysuckle
About Chinese Honeysuckle
Combretum indicum · also called Chinese Honeysuckle, Rangoon Creeper · tropical
Chinese Honeysuckle (Combretum indicum, syn. Quisqualis indica) is a fast-growing tropical vine celebrated for fragrant flower spikes that open white, turn pink, then deepen to red — all colours visible simultaneously. It reaches 8–20 m on trellises or pergolas in USDA zones 9b–11 and flowers over a long season. Seeds contain quisqualic acid and should be kept away from pets and children.
Growth habit: Vigorous woody twining vine / liana
Watch for — Poor or no flowering: Primarily caused by insufficient direct sunlight or excess nitrogen feeding. Ensure the vine receives at least 6 hours of direct sun and switch to a low-nitrogen, high-potassium fertiliser in summer. Hard pruning after flowering encourages a fresh flush of flower-bearing lateral shoots.
What fertiliser chinese honeysuckle actually wants — and why
Chinese Honeysuckle 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 chinese honeysuckle: 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 chinese honeysuckle, 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 chinese honeysuckle:
Apply a balanced granular fertiliser in early spring as growth resumes. Feed every 4 weeks during the growing season with a balanced liquid fertiliser. Switch to a potassium-rich formula (e.g. tomato feed) in late summer to promote flower production. Cease feeding in autumn and winter. Treat that as every 4 weeks 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 chinese honeysuckle 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 chinese honeysuckle
Half strength is the safe default for chinese honeysuckle — 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 chinese honeysuckle first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the chinese honeysuckle watering schedule.
Signs you are over-feeding chinese honeysuckle
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for chinese honeysuckle:
- 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 chinese honeysuckle
- 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 chinese honeysuckle care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of chinese honeysuckle 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 chinese honeysuckle
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 chinese honeysuckle — frequently asked questions
What fertiliser does chinese honeysuckle 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. Chinese Honeysuckle 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 chinese honeysuckle?
Apply a balanced granular fertiliser in early spring as growth resumes. Feed every 4 weeks during the growing season with a balanced liquid fertiliser. Switch to a potassium-rich formula (e.g. tomato feed) in late summer to promote flower production. Cease feeding in autumn and winter. Apply a balanced granular fertiliser in early spring as growth resumes. Feed every 4 weeks during the growing season with a balanced liquid fertiliser. Switch to a potassium-rich formula (e.g. tomato feed) in late summer to promote flower production. Cease feeding in autumn and winter. Treat that as every 4 weeks 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 chinese honeysuckle?
Half strength is the safe default for chinese honeysuckle — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding chinese honeysuckle 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 chinese honeysuckle 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 chinese honeysuckle?
Flush the pot of chinese honeysuckle 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
- Chinese Honeysuckle care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water chinese honeysuckle — 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 colocasia puckered up
- How to fertilise colocasia nancy's revenge
- How to fertilise colocasia gigantea
- All 6887 fertilising guides in the Growli library