Fertilising guide
How to fertilise Calathea Crocata Tassmania (Goeppertia crocata 'Tassmania')— schedule & NPK
Also called Tassmania eternal flame calathea.
More about calathea crocata tassmania
About Calathea Crocata Tassmania
Goeppertia crocata 'Tassmania' · also called Tassmania eternal flame calathea · houseplant
The eternal flame calathea, grown as much for its upright clusters of vivid orange bracts as for its dark, puckered, bronze-backed foliage. This 'Tassmania' selection blooms in good light and demands warmth, steady moisture and high humidity. It is one of the few flowering prayer plants, stays compact, and is non-toxic to pets.
Growth habit: Compact clumping foliage plant that throws up long-stalked, upright clusters of bright orange bracts above dark puckered leaves; foliage folds at night.
What fertiliser calathea crocata tassmania actually wants — and why
Calathea Crocata Tassmania 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 calathea crocata tassmania: 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 calathea crocata tassmania, 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 calathea crocata tassmania:
Feed every 2-4 weeks in spring and summer with a balanced fertiliser at half strength; some growers use a slightly higher-potassium feed to support flowering. Stop in autumn and winter. Flush periodically to clear salts. Treat that as every 2-4 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 calathea crocata tassmania 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 calathea crocata tassmania
Half strength is the safe default for calathea crocata tassmania — 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 calathea crocata tassmania first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the calathea crocata tassmania watering schedule.
Signs you are over-feeding calathea crocata tassmania
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for calathea crocata tassmania:
- 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 calathea crocata tassmania
- 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 calathea crocata tassmania care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of calathea crocata tassmania 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 calathea crocata tassmania
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 calathea crocata tassmania — frequently asked questions
What fertiliser does calathea crocata tassmania 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. Calathea Crocata Tassmania 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 calathea crocata tassmania?
Feed every 2-4 weeks in spring and summer with a balanced fertiliser at half strength; some growers use a slightly higher-potassium feed to support flowering. Stop in autumn and winter. Flush periodically to clear salts. Feed every 2-4 weeks in spring and summer with a balanced fertiliser at half strength; some growers use a slightly higher-potassium feed to support flowering. Stop in autumn and winter. Flush periodically to clear salts. Treat that as every 2-4 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 calathea crocata tassmania?
Half strength is the safe default for calathea crocata tassmania — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding calathea crocata tassmania 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 calathea crocata tassmania 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 calathea crocata tassmania?
Flush the pot of calathea crocata tassmania 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
- Calathea Crocata Tassmania care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water calathea crocata tassmania — 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 snake plant
- How to fertilise dracaena
- How to fertilise peperomia
- All 2464 fertilising guides in the Growli library