Fertilising guide
How to fertilise Calathea Vittata (Goeppertia elliptica 'Vittata')— schedule & NPK
Also called Calathea Vittata, Vittata Prayer Plant, Calathea elliptica 'Vittata', Goeppertia elliptica.
More about calathea vittata
About Calathea Vittata
Goeppertia elliptica 'Vittata' · also called Calathea Vittata, Vittata Prayer Plant · houseplant
Calathea Vittata is a compact prayer plant prized for slender green leaves striped with fine white pinstripes that fold upward at night. Give it bright indirect light, evenly moist soil with distilled or rainwater, and high humidity. ASPCA lists the Calathea genus as non-toxic, making it a safe pick for homes with cats and dogs.
Growth habit: Herbaceous evergreen perennial with an upright, clumping, spreading habit. Leaves rise on slender stems and perform the signature prayer-plant nyctinasty, folding upward at night and reopening by day. Slow grower.
Watch for — Spider mites: Tiny sap-feeders that cause stippling and fine webbing, thriving in dry winter air. Increase humidity, rinse the foliage, and treat with insecticidal soap or neem oil, repeating weekly until clear.
What fertiliser calathea vittata actually wants — and why
Calathea Vittata 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 vittata: 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 vittata, 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 vittata:
Feed every 4 weeks during spring and summer with a balanced liquid houseplant fertiliser diluted to half strength or weaker. Calathea Vittata is fertiliser-sensitive, so apply onto already-moist soil to avoid root burn, and stop 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 calathea vittata 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 vittata
Half strength is the safe default for calathea vittata — 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 vittata first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the calathea vittata watering schedule.
Signs you are over-feeding calathea vittata
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for calathea vittata:
- 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 vittata
- 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 vittata care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of calathea vittata 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 vittata
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 vittata — frequently asked questions
What fertiliser does calathea vittata 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 Vittata 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 vittata?
Feed every 4 weeks during spring and summer with a balanced liquid houseplant fertiliser diluted to half strength or weaker. Calathea Vittata is fertiliser-sensitive, so apply onto already-moist soil to avoid root burn, and stop feeding in autumn and winter. Feed every 4 weeks during spring and summer with a balanced liquid houseplant fertiliser diluted to half strength or weaker. Calathea Vittata is fertiliser-sensitive, so apply onto already-moist soil to avoid root burn, and stop 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 calathea vittata?
Half strength is the safe default for calathea vittata — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding calathea vittata 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 vittata 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 vittata?
Flush the pot of calathea vittata 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 Vittata care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water calathea vittata — 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 389 fertilising guides in the Growli library