Pinstripe Calathea
Sources last read 14 September 2026.
Not yet rated How forgiving it is has not been judged here yet.
Also called Pinstripe Plant.
Toxicity is partly unassessed
- Not assessed for cats. This plant is not on the ASPCA list. That is not a finding of safety: none of the sources read for this site gives an answer either way. Treat it as unknown.
- Not assessed for dogs. This plant is not on the ASPCA list. That is not a finding of safety: none of the sources read for this site gives an answer either way. Treat it as unknown.
- Not assessed for people. RHS publishes no harm statement for this plant. That is not a finding of safety: none of the sources read for this site gives an answer either way. Treat it as unknown.
What the sources say about its care
- Light
- Partial shadeRHS · read 13 September 2026
- Water
- Moist but well-drained or Well-drainedRHS · read 13 September 2026
- Humidity
No source read publishes a humidity figure for any plant on this site. What follows is general guidance for foliage plants.
ASHRAE recommends indoor relative humidity between 30% and 60% 30–60%Penn State Extension · read 13 September 2026- Temperature
How cold this tolerates, not what it prefers. No source read for this site publishes a preferred range for a plant indoors.
H1A — warmer than 15°C 15 °CRHS · read 13 September 2026- Soil
- Loam; pH Acid or Alkaline or NeutralRHS · read 13 September 2026
- Toxic to cats
- Not on the ASPCA list. That is not a finding of safety.ASPCA · read 13 September 2026
- Toxic to dogs
- Not on the ASPCA list. That is not a finding of safety.ASPCA · read 13 September 2026
- Harmful to people
- No statement of harm to people is published for this plant; that absence is not evidence it is safe.RHS · read 13 September 2026
Routine care
- Watering
- Leaves may curl if the plant gets too little water; browning leaves may result from cold drafts, low humidity, or excessive direct sun.NC State Extension · read 13 September 2026In the growing season, water generously and feed monthly with a general houseplant fertiliser; water less in winter.RHS · read 13 September 2026
- Feeding
- Its main needs: bright indirect light or part shade; a moist, well-drained African violet or peat-based potting mix; warmth; high humidity; and a balanced liquid fertilizer each month in the growing season.NC State Extension · read 13 September 2026In the growing season water generously and give a general houseplant fertiliser each month; water less in winter.RHS · read 13 September 2026
- Propagation
- Dividing the rhizomatous roots gives the best results.NC State Extension · read 13 September 2026Divide in late spring, then keep the plants warm and humid until they re-establish.RHS · read 13 September 2026
- Pruning
- Remove flower spikes once flowering ends.RHS · read 13 September 2026
- Pests and diseases
- Can be troubled by glasshouse red spider mite and glasshouse whitefly. Diseases: usually none.RHS · read 13 September 2026
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Photographs
About the plant
- Native range
- SE. Colombia to SW. VenezuelaWorld Checklist of Vascular Plants, June 2026 release, CC BY.Kew WCVP · read 13 September 2026Southeast Colombia to Southwest VenezuelaNC State Extension · read 13 September 2026SE Colombia to SW VenezuelaRHS · read 13 September 2026
- Climate
- wet tropicalWorld Checklist of Vascular Plants, June 2026 release, CC BY.Kew WCVP · read 13 September 2026
- Growth form
- perennialWorld Checklist of Vascular Plants, June 2026 release, CC BY.Kew WCVP · read 13 September 2026Perennial; habit clumping, dense, erectNC State Extension · read 13 September 2026Clump forming (evergreen)RHS · read 13 September 2026
- Size
- Height 12–36 in; width 12–36 inNC State Extension · read 13 September 2026Height 0.5-1 metres; spread 0.1-0.5 metres after 2–5 yearsRHS · read 13 September 2026
- Flowering
- Flowers insignificant, white; blooms in spring, summerNC State Extension · read 13 September 2026Flowers white in summerRHS · read 13 September 2026
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Sources
- ASPCA · read 13 September 2026
- Kew WCVP · read 13 September 2026
- NC State Extension · read 13 September 2026
- Penn State Extension · read 13 September 2026
- RHS · read 13 September 2026
What this does not cover
The figures above are what published sources say, not measurements of the plant in your room. They say nothing about your pot size, your water, the season, or how far from the glass the plant stands, and those decide more than any figure here does.
Humidity has no species figure because no source read for this site publishes one, and the only temperature published for this plant is a cold floor. The simulator fills those gaps with general figures for its kind of plant, marked as general and listed on how we read sources. Where a toxicity row says the plant was not assessed, that is the absence of a finding and not a finding of safety.
If something is already wrong, the diagnosis tool asks about the soil, the window and the watering, which is where the answer usually is.