Fertilising guide
How to fertilise Chrysanthemum 'Emperor of China' (Chrysanthemum 'Emperor of China')— schedule & NPK
Also called Emperor of China Chrysanthemum, Old Clove Pink Mum, Rubellum Chrysanthemum.
More about chrysanthemum 'emperor of china'
About Chrysanthemum 'Emperor of China'
Chrysanthemum 'Emperor of China' · also called Emperor of China Chrysanthemum, Old Clove Pink Mum · flowering
Chrysanthemum 'Emperor of China' is an heirloom rubellum-type chrysanthemum with double, silvery-pink flowers borne on upright stems from late autumn into early winter. The foliage turns crimson-red in cold weather, adding seasonal interest. Toxic to dogs, cats, and horses.
Growth habit: Upright clump-forming herbaceous perennial
What fertiliser chrysanthemum 'emperor of china' actually wants — and why
Chrysanthemum 'Emperor of China' 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 chrysanthemum 'emperor of china': 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 chrysanthemum 'emperor of china', 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 chrysanthemum 'emperor of china':
Feed monthly with a balanced fertiliser from spring until buds form, then apply a high-potassium liquid feed fortnightly to support late-season bloom quality. Stop feeding in late autumn. Treat that as monthly 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 chrysanthemum 'emperor of china' 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 chrysanthemum 'emperor of china'
Half strength is the safe default for chrysanthemum 'emperor of china' — 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 chrysanthemum 'emperor of china' first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the chrysanthemum 'emperor of china' watering schedule.
Signs you are over-feeding chrysanthemum 'emperor of china'
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for chrysanthemum 'emperor of china':
- 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 chrysanthemum 'emperor of china'
- 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 chrysanthemum 'emperor of china' care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of chrysanthemum 'emperor of china' 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 chrysanthemum 'emperor of china'
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 chrysanthemum 'emperor of china' — frequently asked questions
What fertiliser does chrysanthemum 'emperor of china' 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. Chrysanthemum 'Emperor of China' 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 chrysanthemum 'emperor of china'?
Feed monthly with a balanced fertiliser from spring until buds form, then apply a high-potassium liquid feed fortnightly to support late-season bloom quality. Stop feeding in late autumn. Feed monthly with a balanced fertiliser from spring until buds form, then apply a high-potassium liquid feed fortnightly to support late-season bloom quality. Stop feeding in late autumn. Treat that as monthly 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 chrysanthemum 'emperor of china'?
Half strength is the safe default for chrysanthemum 'emperor of china' — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding chrysanthemum 'emperor of china' 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 chrysanthemum 'emperor of china' 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 chrysanthemum 'emperor of china'?
Flush the pot of chrysanthemum 'emperor of china' 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
- Chrysanthemum 'Emperor of China' care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water chrysanthemum 'emperor of china' — 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 japanese black pine 'thunderhead'
- How to fertilise chinese white pine
- How to fertilise red pine
- All 11687 fertilising guides in the Growli library